Home / 1,386,098.16-2,077,932.60-666,081.36

Finding the Fourth Proportional to 1,386,098.16, 2,077,932.60 and 666,081.36

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Solution

The fourth proportional to 1,386,098.16, 2,077,932.60 and 666,081.36 is: 998,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,098.16 : 2,077,932.60 = 666,081.36 : x
  2. Step 2: Convert to fraction form
    1,386,098.16/2,077,932.60 = 666,081.36/x
  3. Step 3: Cross multiply
    1,386,098.16x = 2,077,932.60 × 666,081.36
  4. Step 4: Simplify right side
    1,386,098.16x = 1,384,072,172,196.34
  5. Step 5: Solve for x
    x = 1,384,072,172,196.34/1,386,098.16
  6. Step 6: Final answer
    x = 998,538.35

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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.