Home / 702,331.40-1,053,094.68-215,886.87

Finding the Fourth Proportional to 702,331.40, 1,053,094.68 and 215,886.87

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Solution

The fourth proportional to 702,331.40, 1,053,094.68 and 215,886.87 is: 323,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,331.40 : 1,053,094.68 = 215,886.87 : x
  2. Step 2: Convert to fraction form
    702,331.40/1,053,094.68 = 215,886.87/x
  3. Step 3: Cross multiply
    702,331.40x = 1,053,094.68 × 215,886.87
  4. Step 4: Simplify right side
    702,331.40x = 227,349,314,278.85
  5. Step 5: Solve for x
    x = 227,349,314,278.85/702,331.40
  6. Step 6: Final answer
    x = 323,706.61

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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.