Home / 417,856.32-626,684.04-292,617.36

Finding the Fourth Proportional to 417,856.32, 626,684.04 and 292,617.36

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Solution

The fourth proportional to 417,856.32, 626,684.04 and 292,617.36 is: 438,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,856.32 : 626,684.04 = 292,617.36 : x
  2. Step 2: Convert to fraction form
    417,856.32/626,684.04 = 292,617.36/x
  3. Step 3: Cross multiply
    417,856.32x = 626,684.04 × 292,617.36
  4. Step 4: Simplify right side
    417,856.32x = 183,378,629,338.93
  5. Step 5: Solve for x
    x = 183,378,629,338.93/417,856.32
  6. Step 6: Final answer
    x = 438,855.70

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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.