Home / 1,008,078.35-1,512,117.55-1,001,079.95

Finding the Fourth Proportional to 1,008,078.35, 1,512,117.55 and 1,001,079.95

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Solution

The fourth proportional to 1,008,078.35, 1,512,117.55 and 1,001,079.95 is: 1,501,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,078.35 : 1,512,117.55 = 1,001,079.95 : x
  2. Step 2: Convert to fraction form
    1,008,078.35/1,512,117.55 = 1,001,079.95/x
  3. Step 3: Cross multiply
    1,008,078.35x = 1,512,117.55 × 1,001,079.95
  4. Step 4: Simplify right side
    1,008,078.35x = 1,513,750,561,348.12
  5. Step 5: Solve for x
    x = 1,513,750,561,348.12/1,008,078.35
  6. Step 6: Final answer
    x = 1,501,619.95

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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.