Home / 417,117.20-625,805.40-164,429.60

Finding the Fourth Proportional to 417,117.20, 625,805.40 and 164,429.60

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Solution

The fourth proportional to 417,117.20, 625,805.40 and 164,429.60 is: 246,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,117.20 : 625,805.40 = 164,429.60 : x
  2. Step 2: Convert to fraction form
    417,117.20/625,805.40 = 164,429.60/x
  3. Step 3: Cross multiply
    417,117.20x = 625,805.40 × 164,429.60
  4. Step 4: Simplify right side
    417,117.20x = 102,900,931,599.84
  5. Step 5: Solve for x
    x = 102,900,931,599.84/417,117.20
  6. Step 6: Final answer
    x = 246,695.49

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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.