Home / 763,624.32-1,053,740.10-441,355.29

Finding the Fourth Proportional to 763,624.32, 1,053,740.10 and 441,355.29

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Solution

The fourth proportional to 763,624.32, 1,053,740.10 and 441,355.29 is: 609,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,624.32 : 1,053,740.10 = 441,355.29 : x
  2. Step 2: Convert to fraction form
    763,624.32/1,053,740.10 = 441,355.29/x
  3. Step 3: Cross multiply
    763,624.32x = 1,053,740.10 × 441,355.29
  4. Step 4: Simplify right side
    763,624.32x = 465,073,767,420.13
  5. Step 5: Solve for x
    x = 465,073,767,420.13/763,624.32
  6. Step 6: Final answer
    x = 609,034.78

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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.