Home / 477,295.20-715,829.76-177,916.32

Finding the Fourth Proportional to 477,295.20, 715,829.76 and 177,916.32

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Solution

The fourth proportional to 477,295.20, 715,829.76 and 177,916.32 is: 266,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,295.20 : 715,829.76 = 177,916.32 : x
  2. Step 2: Convert to fraction form
    477,295.20/715,829.76 = 177,916.32/x
  3. Step 3: Cross multiply
    477,295.20x = 715,829.76 × 177,916.32
  4. Step 4: Simplify right side
    477,295.20x = 127,357,796,645.68
  5. Step 5: Solve for x
    x = 127,357,796,645.68/477,295.20
  6. Step 6: Final answer
    x = 266,832.34

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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.