Home / 1,253,672.57-1,730,019.60-680,699.63

Finding the Fourth Proportional to 1,253,672.57, 1,730,019.60 and 680,699.63

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Solution

The fourth proportional to 1,253,672.57, 1,730,019.60 and 680,699.63 is: 939,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,672.57 : 1,730,019.60 = 680,699.63 : x
  2. Step 2: Convert to fraction form
    1,253,672.57/1,730,019.60 = 680,699.63/x
  3. Step 3: Cross multiply
    1,253,672.57x = 1,730,019.60 × 680,699.63
  4. Step 4: Simplify right side
    1,253,672.57x = 1,177,623,705,937.80
  5. Step 5: Solve for x
    x = 1,177,623,705,937.80/1,253,672.57
  6. Step 6: Final answer
    x = 939,339.13

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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.