Home / 519,938.10-779,907.15-253,869.30

Finding the Fourth Proportional to 519,938.10, 779,907.15 and 253,869.30

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Solution

The fourth proportional to 519,938.10, 779,907.15 and 253,869.30 is: 380,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,938.10 : 779,907.15 = 253,869.30 : x
  2. Step 2: Convert to fraction form
    519,938.10/779,907.15 = 253,869.30/x
  3. Step 3: Cross multiply
    519,938.10x = 779,907.15 × 253,869.30
  4. Step 4: Simplify right side
    519,938.10x = 197,994,482,235.50
  5. Step 5: Solve for x
    x = 197,994,482,235.50/519,938.10
  6. Step 6: Final answer
    x = 380,803.95

Related Problems

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Half scale
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Double scale
Find fourth proportional to 519,939.10, 779,908.65 and 253,870.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.