Home / 807,086.96-1,113,808.56-501,330.78

Finding the Fourth Proportional to 807,086.96, 1,113,808.56 and 501,330.78

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Solution

The fourth proportional to 807,086.96, 1,113,808.56 and 501,330.78 is: 691,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,086.96 : 1,113,808.56 = 501,330.78 : x
  2. Step 2: Convert to fraction form
    807,086.96/1,113,808.56 = 501,330.78/x
  3. Step 3: Cross multiply
    807,086.96x = 1,113,808.56 × 501,330.78
  4. Step 4: Simplify right side
    807,086.96x = 558,386,514,155.48
  5. Step 5: Solve for x
    x = 558,386,514,155.48/807,086.96
  6. Step 6: Final answer
    x = 691,854.22

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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.