Home / 956,663.54-1,320,197.52-521,079.55

Finding the Fourth Proportional to 956,663.54, 1,320,197.52 and 521,079.55

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Solution

The fourth proportional to 956,663.54, 1,320,197.52 and 521,079.55 is: 719,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,663.54 : 1,320,197.52 = 521,079.55 : x
  2. Step 2: Convert to fraction form
    956,663.54/1,320,197.52 = 521,079.55/x
  3. Step 3: Cross multiply
    956,663.54x = 1,320,197.52 × 521,079.55
  4. Step 4: Simplify right side
    956,663.54x = 687,927,925,355.20
  5. Step 5: Solve for x
    x = 687,927,925,355.20/956,663.54
  6. Step 6: Final answer
    x = 719,090.78

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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.