Home / 585,931.60-808,581.72-331,283.80

Finding the Fourth Proportional to 585,931.60, 808,581.72 and 331,283.80

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Solution

The fourth proportional to 585,931.60, 808,581.72 and 331,283.80 is: 457,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,931.60 : 808,581.72 = 331,283.80 : x
  2. Step 2: Convert to fraction form
    585,931.60/808,581.72 = 331,283.80/x
  3. Step 3: Cross multiply
    585,931.60x = 808,581.72 × 331,283.80
  4. Step 4: Simplify right side
    585,931.60x = 267,870,024,812.14
  5. Step 5: Solve for x
    x = 267,870,024,812.14/585,931.60
  6. Step 6: Final answer
    x = 457,169.45

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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.