Home / 865,688.80-1,194,656.53-483,731.68

Finding the Fourth Proportional to 865,688.80, 1,194,656.53 and 483,731.68

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Solution

The fourth proportional to 865,688.80, 1,194,656.53 and 483,731.68 is: 667,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,688.80 : 1,194,656.53 = 483,731.68 : x
  2. Step 2: Convert to fraction form
    865,688.80/1,194,656.53 = 483,731.68/x
  3. Step 3: Cross multiply
    865,688.80x = 1,194,656.53 × 483,731.68
  4. Step 4: Simplify right side
    865,688.80x = 577,893,210,279.87
  5. Step 5: Solve for x
    x = 577,893,210,279.87/865,688.80
  6. Step 6: Final answer
    x = 667,553.06

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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.