Home / 909,340.90-1,254,887.85-527,591.14

Finding the Fourth Proportional to 909,340.90, 1,254,887.85 and 527,591.14

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Solution

The fourth proportional to 909,340.90, 1,254,887.85 and 527,591.14 is: 728,074.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,340.90 : 1,254,887.85 = 527,591.14 : x
  2. Step 2: Convert to fraction form
    909,340.90/1,254,887.85 = 527,591.14/x
  3. Step 3: Cross multiply
    909,340.90x = 1,254,887.85 × 527,591.14
  4. Step 4: Simplify right side
    909,340.90x = 662,067,711,353.65
  5. Step 5: Solve for x
    x = 662,067,711,353.65/909,340.90
  6. Step 6: Final answer
    x = 728,074.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.