Home / 1,210,116.18-1,815,184.65-345,548.87

Finding the Fourth Proportional to 1,210,116.18, 1,815,184.65 and 345,548.87

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Solution

The fourth proportional to 1,210,116.18, 1,815,184.65 and 345,548.87 is: 518,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,116.18 : 1,815,184.65 = 345,548.87 : x
  2. Step 2: Convert to fraction form
    1,210,116.18/1,815,184.65 = 345,548.87/x
  3. Step 3: Cross multiply
    1,210,116.18x = 1,815,184.65 × 345,548.87
  4. Step 4: Simplify right side
    1,210,116.18x = 627,234,995,572.92
  5. Step 5: Solve for x
    x = 627,234,995,572.92/1,210,116.18
  6. Step 6: Final answer
    x = 518,326.26

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Double scale
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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.