Home / 581,328.97-802,278.90-348,764.61

Finding the Fourth Proportional to 581,328.97, 802,278.90 and 348,764.61

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Solution

The fourth proportional to 581,328.97, 802,278.90 and 348,764.61 is: 481,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,328.97 : 802,278.90 = 348,764.61 : x
  2. Step 2: Convert to fraction form
    581,328.97/802,278.90 = 348,764.61/x
  3. Step 3: Cross multiply
    581,328.97x = 802,278.90 × 348,764.61
  4. Step 4: Simplify right side
    581,328.97x = 279,806,489,402.77
  5. Step 5: Solve for x
    x = 279,806,489,402.77/581,328.97
  6. Step 6: Final answer
    x = 481,322.12

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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.