Home / 658,272.28-908,416.38-371,792.92

Finding the Fourth Proportional to 658,272.28, 908,416.38 and 371,792.92

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Solution

The fourth proportional to 658,272.28, 908,416.38 and 371,792.92 is: 513,074.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,272.28 : 908,416.38 = 371,792.92 : x
  2. Step 2: Convert to fraction form
    658,272.28/908,416.38 = 371,792.92/x
  3. Step 3: Cross multiply
    658,272.28x = 908,416.38 × 371,792.92
  4. Step 4: Simplify right side
    658,272.28x = 337,742,778,496.03
  5. Step 5: Solve for x
    x = 337,742,778,496.03/658,272.28
  6. Step 6: Final answer
    x = 513,074.59

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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.