Home / 516,489.04-712,839.60-430,311.52

Finding the Fourth Proportional to 516,489.04, 712,839.60 and 430,311.52

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Solution

The fourth proportional to 516,489.04, 712,839.60 and 430,311.52 is: 593,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,489.04 : 712,839.60 = 430,311.52 : x
  2. Step 2: Convert to fraction form
    516,489.04/712,839.60 = 430,311.52/x
  3. Step 3: Cross multiply
    516,489.04x = 712,839.60 × 430,311.52
  4. Step 4: Simplify right side
    516,489.04x = 306,743,091,792.19
  5. Step 5: Solve for x
    x = 306,743,091,792.19/516,489.04
  6. Step 6: Final answer
    x = 593,900.49

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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.