Home / 1,776,764.70-2,663,397.45-878,345.10

Finding the Fourth Proportional to 1,776,764.70, 2,663,397.45 and 878,345.10

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Solution

The fourth proportional to 1,776,764.70, 2,663,397.45 and 878,345.10 is: 1,316,652.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,764.70 : 2,663,397.45 = 878,345.10 : x
  2. Step 2: Convert to fraction form
    1,776,764.70/2,663,397.45 = 878,345.10/x
  3. Step 3: Cross multiply
    1,776,764.70x = 2,663,397.45 × 878,345.10
  4. Step 4: Simplify right side
    1,776,764.70x = 2,339,382,099,560.00
  5. Step 5: Solve for x
    x = 2,339,382,099,560.00/1,776,764.70
  6. Step 6: Final answer
    x = 1,316,652.73

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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.