Home / 440,356.32-607,729.20-249,403.68

Finding the Fourth Proportional to 440,356.32, 607,729.20 and 249,403.68

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Solution

The fourth proportional to 440,356.32, 607,729.20 and 249,403.68 is: 344,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,356.32 : 607,729.20 = 249,403.68 : x
  2. Step 2: Convert to fraction form
    440,356.32/607,729.20 = 249,403.68/x
  3. Step 3: Cross multiply
    440,356.32x = 607,729.20 × 249,403.68
  4. Step 4: Simplify right side
    440,356.32x = 151,569,898,923.46
  5. Step 5: Solve for x
    x = 151,569,898,923.46/440,356.32
  6. Step 6: Final answer
    x = 344,198.30

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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.