Home / 779,938.20-1,169,907.30-523,075.05

Finding the Fourth Proportional to 779,938.20, 1,169,907.30 and 523,075.05

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Solution

The fourth proportional to 779,938.20, 1,169,907.30 and 523,075.05 is: 784,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,938.20 : 1,169,907.30 = 523,075.05 : x
  2. Step 2: Convert to fraction form
    779,938.20/1,169,907.30 = 523,075.05/x
  3. Step 3: Cross multiply
    779,938.20x = 1,169,907.30 × 523,075.05
  4. Step 4: Simplify right side
    779,938.20x = 611,949,319,442.87
  5. Step 5: Solve for x
    x = 611,949,319,442.87/779,938.20
  6. Step 6: Final answer
    x = 784,612.58

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Double scale
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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.