Home / 1,148,406.85-1,584,768.40-639,098.29

Finding the Fourth Proportional to 1,148,406.85, 1,584,768.40 and 639,098.29

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Solution

The fourth proportional to 1,148,406.85, 1,584,768.40 and 639,098.29 is: 881,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,406.85 : 1,584,768.40 = 639,098.29 : x
  2. Step 2: Convert to fraction form
    1,148,406.85/1,584,768.40 = 639,098.29/x
  3. Step 3: Cross multiply
    1,148,406.85x = 1,584,768.40 × 639,098.29
  4. Step 4: Simplify right side
    1,148,406.85x = 1,012,822,774,486.04
  5. Step 5: Solve for x
    x = 1,012,822,774,486.04/1,148,406.85
  6. Step 6: Final answer
    x = 881,937.25

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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.