Home / 723,829.32-1,085,373-382,456.08

Finding the Fourth Proportional to 723,829.32, 1,085,373 and 382,456.08

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Solution

The fourth proportional to 723,829.32, 1,085,373 and 382,456.08 is: 573,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,829.32 : 1,085,373 = 382,456.08 : x
  2. Step 2: Convert to fraction form
    723,829.32/1,085,373 = 382,456.08/x
  3. Step 3: Cross multiply
    723,829.32x = 1,085,373 × 382,456.08
  4. Step 4: Simplify right side
    723,829.32x = 415,107,502,917.84
  5. Step 5: Solve for x
    x = 415,107,502,917.84/723,829.32
  6. Step 6: Final answer
    x = 573,488.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.