Home / 475,838.10-656,312.31-404,104.50

Finding the Fourth Proportional to 475,838.10, 656,312.31 and 404,104.50

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Solution

The fourth proportional to 475,838.10, 656,312.31 and 404,104.50 is: 557,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,838.10 : 656,312.31 = 404,104.50 : x
  2. Step 2: Convert to fraction form
    475,838.10/656,312.31 = 404,104.50/x
  3. Step 3: Cross multiply
    475,838.10x = 656,312.31 × 404,104.50
  4. Step 4: Simplify right side
    475,838.10x = 265,218,757,876.40
  5. Step 5: Solve for x
    x = 265,218,757,876.40/475,838.10
  6. Step 6: Final answer
    x = 557,371.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.