Home / 4,653,713.76-6,980,687.24-1,287,949.92

Finding the Fourth Proportional to 4,653,713.76, 6,980,687.24 and 1,287,949.92

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Solution

The fourth proportional to 4,653,713.76, 6,980,687.24 and 1,287,949.92 is: 1,931,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653,713.76 : 6,980,687.24 = 1,287,949.92 : x
  2. Step 2: Convert to fraction form
    4,653,713.76/6,980,687.24 = 1,287,949.92/x
  3. Step 3: Cross multiply
    4,653,713.76x = 6,980,687.24 × 1,287,949.92
  4. Step 4: Simplify right side
    4,653,713.76x = 8,990,775,572,303.02
  5. Step 5: Solve for x
    x = 8,990,775,572,303.02/4,653,713.76
  6. Step 6: Final answer
    x = 1,931,957.15

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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.