Home / 784,033.40-1,080,820.85-554,185.17

Finding the Fourth Proportional to 784,033.40, 1,080,820.85 and 554,185.17

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Solution

The fourth proportional to 784,033.40, 1,080,820.85 and 554,185.17 is: 763,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,033.40 : 1,080,820.85 = 554,185.17 : x
  2. Step 2: Convert to fraction form
    784,033.40/1,080,820.85 = 554,185.17/x
  3. Step 3: Cross multiply
    784,033.40x = 1,080,820.85 × 554,185.17
  4. Step 4: Simplify right side
    784,033.40x = 598,974,883,725.87
  5. Step 5: Solve for x
    x = 598,974,883,725.87/784,033.40
  6. Step 6: Final answer
    x = 763,966.03

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Double scale
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Similar ratio
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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.