Home / 852,455.15-1,176,382.31-470,481.92

Finding the Fourth Proportional to 852,455.15, 1,176,382.31 and 470,481.92

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Solution

The fourth proportional to 852,455.15, 1,176,382.31 and 470,481.92 is: 649,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,455.15 : 1,176,382.31 = 470,481.92 : x
  2. Step 2: Convert to fraction form
    852,455.15/1,176,382.31 = 470,481.92/x
  3. Step 3: Cross multiply
    852,455.15x = 1,176,382.31 × 470,481.92
  4. Step 4: Simplify right side
    852,455.15x = 553,466,607,862.84
  5. Step 5: Solve for x
    x = 553,466,607,862.84/852,455.15
  6. Step 6: Final answer
    x = 649,261.85

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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.