Home / 1,253,211.95-1,729,440.11-680,256.23

Finding the Fourth Proportional to 1,253,211.95, 1,729,440.11 and 680,256.23

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Solution

The fourth proportional to 1,253,211.95, 1,729,440.11 and 680,256.23 is: 938,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,211.95 : 1,729,440.11 = 680,256.23 : x
  2. Step 2: Convert to fraction form
    1,253,211.95/1,729,440.11 = 680,256.23/x
  3. Step 3: Cross multiply
    1,253,211.95x = 1,729,440.11 × 680,256.23
  4. Step 4: Simplify right side
    1,253,211.95x = 1,176,462,402,292.83
  5. Step 5: Solve for x
    x = 1,176,462,402,292.83/1,253,211.95
  6. Step 6: Final answer
    x = 938,757.73

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Double scale
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1.5x scale

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.