Home / 766,031.50-1,057,130.76-426,507.04

Finding the Fourth Proportional to 766,031.50, 1,057,130.76 and 426,507.04

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Solution

The fourth proportional to 766,031.50, 1,057,130.76 and 426,507.04 is: 588,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,031.50 : 1,057,130.76 = 426,507.04 : x
  2. Step 2: Convert to fraction form
    766,031.50/1,057,130.76 = 426,507.04/x
  3. Step 3: Cross multiply
    766,031.50x = 1,057,130.76 × 426,507.04
  4. Step 4: Simplify right side
    766,031.50x = 450,873,711,340.55
  5. Step 5: Solve for x
    x = 450,873,711,340.55/766,031.50
  6. Step 6: Final answer
    x = 588,583.77

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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.