Home / 634,210.76-875,238.18-379,512.92

Finding the Fourth Proportional to 634,210.76, 875,238.18 and 379,512.92

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Solution

The fourth proportional to 634,210.76, 875,238.18 and 379,512.92 is: 523,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,210.76 : 875,238.18 = 379,512.92 : x
  2. Step 2: Convert to fraction form
    634,210.76/875,238.18 = 379,512.92/x
  3. Step 3: Cross multiply
    634,210.76x = 875,238.18 × 379,512.92
  4. Step 4: Simplify right side
    634,210.76x = 332,164,197,387.29
  5. Step 5: Solve for x
    x = 332,164,197,387.29/634,210.76
  6. Step 6: Final answer
    x = 523,744.18

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Double scale
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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.