Home / 1,386,087.66-2,077,916.85-666,070.83

Finding the Fourth Proportional to 1,386,087.66, 2,077,916.85 and 666,070.83

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Solution

The fourth proportional to 1,386,087.66, 2,077,916.85 and 666,070.83 is: 998,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,087.66 : 2,077,916.85 = 666,070.83 : x
  2. Step 2: Convert to fraction form
    1,386,087.66/2,077,916.85 = 666,070.83/x
  3. Step 3: Cross multiply
    1,386,087.66x = 2,077,916.85 × 666,070.83
  4. Step 4: Simplify right side
    1,386,087.66x = 1,384,039,800,950.49
  5. Step 5: Solve for x
    x = 1,384,039,800,950.49/1,386,087.66
  6. Step 6: Final answer
    x = 998,522.56

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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.