Home / 709,108.80-1,063,431.92-235,667.04

Finding the Fourth Proportional to 709,108.80, 1,063,431.92 and 235,667.04

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Solution

The fourth proportional to 709,108.80, 1,063,431.92 and 235,667.04 is: 353,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,108.80 : 1,063,431.92 = 235,667.04 : x
  2. Step 2: Convert to fraction form
    709,108.80/1,063,431.92 = 235,667.04/x
  3. Step 3: Cross multiply
    709,108.80x = 1,063,431.92 × 235,667.04
  4. Step 4: Simplify right side
    709,108.80x = 250,615,852,827.92
  5. Step 5: Solve for x
    x = 250,615,852,827.92/709,108.80
  6. Step 6: Final answer
    x = 353,423.70

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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.