Home / 1,023,938.10-1,535,907.15-520,053.30

Finding the Fourth Proportional to 1,023,938.10, 1,535,907.15 and 520,053.30

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Solution

The fourth proportional to 1,023,938.10, 1,535,907.15 and 520,053.30 is: 780,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,938.10 : 1,535,907.15 = 520,053.30 : x
  2. Step 2: Convert to fraction form
    1,023,938.10/1,535,907.15 = 520,053.30/x
  3. Step 3: Cross multiply
    1,023,938.10x = 1,535,907.15 × 520,053.30
  4. Step 4: Simplify right side
    1,023,938.10x = 798,753,581,851.10
  5. Step 5: Solve for x
    x = 798,753,581,851.10/1,023,938.10
  6. Step 6: Final answer
    x = 780,079.95

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Double scale
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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.