Home / 725,062.03-1,000,557.79-402,792.39

Finding the Fourth Proportional to 725,062.03, 1,000,557.79 and 402,792.39

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Solution

The fourth proportional to 725,062.03, 1,000,557.79 and 402,792.39 is: 555,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,062.03 : 1,000,557.79 = 402,792.39 : x
  2. Step 2: Convert to fraction form
    725,062.03/1,000,557.79 = 402,792.39/x
  3. Step 3: Cross multiply
    725,062.03x = 1,000,557.79 × 402,792.39
  4. Step 4: Simplify right side
    725,062.03x = 403,017,062,560.24
  5. Step 5: Solve for x
    x = 403,017,062,560.24/725,062.03
  6. Step 6: Final answer
    x = 555,838.05

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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.