Home / 525,459.51-724,831.92-331,798.23

Finding the Fourth Proportional to 525,459.51, 724,831.92 and 331,798.23

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Solution

The fourth proportional to 525,459.51, 724,831.92 and 331,798.23 is: 457,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,459.51 : 724,831.92 = 331,798.23 : x
  2. Step 2: Convert to fraction form
    525,459.51/724,831.92 = 331,798.23/x
  3. Step 3: Cross multiply
    525,459.51x = 724,831.92 × 331,798.23
  4. Step 4: Simplify right side
    525,459.51x = 240,497,948,103.50
  5. Step 5: Solve for x
    x = 240,497,948,103.50/525,459.51
  6. Step 6: Final answer
    x = 457,690.73

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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.