Home / 894,781.76-1,234,849.92-512,872.16

Finding the Fourth Proportional to 894,781.76, 1,234,849.92 and 512,872.16

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Solution

The fourth proportional to 894,781.76, 1,234,849.92 and 512,872.16 is: 707,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,781.76 : 1,234,849.92 = 512,872.16 : x
  2. Step 2: Convert to fraction form
    894,781.76/1,234,849.92 = 512,872.16/x
  3. Step 3: Cross multiply
    894,781.76x = 1,234,849.92 × 512,872.16
  4. Step 4: Simplify right side
    894,781.76x = 633,320,145,746.23
  5. Step 5: Solve for x
    x = 633,320,145,746.23/894,781.76
  6. Step 6: Final answer
    x = 707,792.87

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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.