Home / 674,362.48-930,639.04-372,575.92

Finding the Fourth Proportional to 674,362.48, 930,639.04 and 372,575.92

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Solution

The fourth proportional to 674,362.48, 930,639.04 and 372,575.92 is: 514,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,362.48 : 930,639.04 = 372,575.92 : x
  2. Step 2: Convert to fraction form
    674,362.48/930,639.04 = 372,575.92/x
  3. Step 3: Cross multiply
    674,362.48x = 930,639.04 × 372,575.92
  4. Step 4: Simplify right side
    674,362.48x = 346,733,696,515.92
  5. Step 5: Solve for x
    x = 346,733,696,515.92/674,362.48
  6. Step 6: Final answer
    x = 514,165.17

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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.