Home / 1,138,820.00-1,571,590.28-679,974.66

Finding the Fourth Proportional to 1,138,820.00, 1,571,590.28 and 679,974.66

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Solution

The fourth proportional to 1,138,820.00, 1,571,590.28 and 679,974.66 is: 938,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,820.00 : 1,571,590.28 = 679,974.66 : x
  2. Step 2: Convert to fraction form
    1,138,820.00/1,571,590.28 = 679,974.66/x
  3. Step 3: Cross multiply
    1,138,820.00x = 1,571,590.28 × 679,974.66
  4. Step 4: Simplify right side
    1,138,820.00x = 1,068,641,562,902.43
  5. Step 5: Solve for x
    x = 1,068,641,562,902.43/1,138,820.00
  6. Step 6: Final answer
    x = 938,376.19

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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.