Home / 1,131,677.10-1,565,826.72-986,785

Finding the Fourth Proportional to 1,131,677.10, 1,565,826.72 and 986,785

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Solution

The fourth proportional to 1,131,677.10, 1,565,826.72 and 986,785 is: 1,365,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,677.10 : 1,565,826.72 = 986,785 : x
  2. Step 2: Convert to fraction form
    1,131,677.10/1,565,826.72 = 986,785/x
  3. Step 3: Cross multiply
    1,131,677.10x = 1,565,826.72 × 986,785
  4. Step 4: Simplify right side
    1,131,677.10x = 1,545,134,319,895.20
  5. Step 5: Solve for x
    x = 1,545,134,319,895.20/1,131,677.10
  6. Step 6: Final answer
    x = 1,365,349.11

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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.