Home / 885,272.64-1,221,770.85-541,310.16

Finding the Fourth Proportional to 885,272.64, 1,221,770.85 and 541,310.16

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Solution

The fourth proportional to 885,272.64, 1,221,770.85 and 541,310.16 is: 747,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,272.64 : 1,221,770.85 = 541,310.16 : x
  2. Step 2: Convert to fraction form
    885,272.64/1,221,770.85 = 541,310.16/x
  3. Step 3: Cross multiply
    885,272.64x = 1,221,770.85 × 541,310.16
  4. Step 4: Simplify right side
    885,272.64x = 661,356,974,296.84
  5. Step 5: Solve for x
    x = 661,356,974,296.84/885,272.64
  6. Step 6: Final answer
    x = 747,065.87

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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.