Home / 725,064.53-1,000,561.24-402,794.89

Finding the Fourth Proportional to 725,064.53, 1,000,561.24 and 402,794.89

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Solution

The fourth proportional to 725,064.53, 1,000,561.24 and 402,794.89 is: 555,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,064.53 : 1,000,561.24 = 402,794.89 : x
  2. Step 2: Convert to fraction form
    725,064.53/1,000,561.24 = 402,794.89/x
  3. Step 3: Cross multiply
    725,064.53x = 1,000,561.24 × 402,794.89
  4. Step 4: Simplify right side
    725,064.53x = 403,020,954,604.06
  5. Step 5: Solve for x
    x = 403,020,954,604.06/725,064.53
  6. Step 6: Final answer
    x = 555,841.50

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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.