Home / 766,124.16-1,057,229.66-417,256.66

Finding the Fourth Proportional to 766,124.16, 1,057,229.66 and 417,256.66

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Solution

The fourth proportional to 766,124.16, 1,057,229.66 and 417,256.66 is: 575,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,124.16 : 1,057,229.66 = 417,256.66 : x
  2. Step 2: Convert to fraction form
    766,124.16/1,057,229.66 = 417,256.66/x
  3. Step 3: Cross multiply
    766,124.16x = 1,057,229.66 × 417,256.66
  4. Step 4: Simplify right side
    766,124.16x = 441,136,119,149.21
  5. Step 5: Solve for x
    x = 441,136,119,149.21/766,124.16
  6. Step 6: Final answer
    x = 575,802.39

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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.