Home / 586,005.12-879,029.28-165,292.20

Finding the Fourth Proportional to 586,005.12, 879,029.28 and 165,292.20

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Solution

The fourth proportional to 586,005.12, 879,029.28 and 165,292.20 is: 247,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,005.12 : 879,029.28 = 165,292.20 : x
  2. Step 2: Convert to fraction form
    586,005.12/879,029.28 = 165,292.20/x
  3. Step 3: Cross multiply
    586,005.12x = 879,029.28 × 165,292.20
  4. Step 4: Simplify right side
    586,005.12x = 145,296,683,555.62
  5. Step 5: Solve for x
    x = 145,296,683,555.62/586,005.12
  6. Step 6: Final answer
    x = 247,944.39

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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.