Home / 586,116.20-879,087.90-165,434.60

Finding the Fourth Proportional to 586,116.20, 879,087.90 and 165,434.60

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Solution

The fourth proportional to 586,116.20, 879,087.90 and 165,434.60 is: 248,127.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,116.20 : 879,087.90 = 165,434.60 : x
  2. Step 2: Convert to fraction form
    586,116.20/879,087.90 = 165,434.60/x
  3. Step 3: Cross multiply
    586,116.20x = 879,087.90 × 165,434.60
  4. Step 4: Simplify right side
    586,116.20x = 145,431,555,101.34
  5. Step 5: Solve for x
    x = 145,431,555,101.34/586,116.20
  6. Step 6: Final answer
    x = 248,127.51

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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.