Home / 748,298.38-1,032,674.46-408,788.50

Finding the Fourth Proportional to 748,298.38, 1,032,674.46 and 408,788.50

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Solution

The fourth proportional to 748,298.38, 1,032,674.46 and 408,788.50 is: 564,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,298.38 : 1,032,674.46 = 408,788.50 : x
  2. Step 2: Convert to fraction form
    748,298.38/1,032,674.46 = 408,788.50/x
  3. Step 3: Cross multiply
    748,298.38x = 1,032,674.46 × 408,788.50
  4. Step 4: Simplify right side
    748,298.38x = 422,145,443,491.71
  5. Step 5: Solve for x
    x = 422,145,443,491.71/748,298.38
  6. Step 6: Final answer
    x = 564,140.53

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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.