Home / 766,456.92-1,057,743.18-426,925.32

Finding the Fourth Proportional to 766,456.92, 1,057,743.18 and 426,925.32

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Solution

The fourth proportional to 766,456.92, 1,057,743.18 and 426,925.32 is: 589,175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,456.92 : 1,057,743.18 = 426,925.32 : x
  2. Step 2: Convert to fraction form
    766,456.92/1,057,743.18 = 426,925.32/x
  3. Step 3: Cross multiply
    766,456.92x = 1,057,743.18 × 426,925.32
  4. Step 4: Simplify right side
    766,456.92x = 451,577,345,599.32
  5. Step 5: Solve for x
    x = 451,577,345,599.32/766,456.92
  6. Step 6: Final answer
    x = 589,175.12

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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.