Home / 819,663.80-1,131,131.10-457,092.14

Finding the Fourth Proportional to 819,663.80, 1,131,131.10 and 457,092.14

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Solution

The fourth proportional to 819,663.80, 1,131,131.10 and 457,092.14 is: 630,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,663.80 : 1,131,131.10 = 457,092.14 : x
  2. Step 2: Convert to fraction form
    819,663.80/1,131,131.10 = 457,092.14/x
  3. Step 3: Cross multiply
    819,663.80x = 1,131,131.10 × 457,092.14
  4. Step 4: Simplify right side
    819,663.80x = 517,031,135,119.55
  5. Step 5: Solve for x
    x = 517,031,135,119.55/819,663.80
  6. Step 6: Final answer
    x = 630,784.40

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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.