Home / 784,033.09-1,080,820.42-554,184.86

Finding the Fourth Proportional to 784,033.09, 1,080,820.42 and 554,184.86

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Solution

The fourth proportional to 784,033.09, 1,080,820.42 and 554,184.86 is: 763,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,033.09 : 1,080,820.42 = 554,184.86 : x
  2. Step 2: Convert to fraction form
    784,033.09/1,080,820.42 = 554,184.86/x
  3. Step 3: Cross multiply
    784,033.09x = 1,080,820.42 × 554,184.86
  4. Step 4: Simplify right side
    784,033.09x = 598,974,310,440.79
  5. Step 5: Solve for x
    x = 598,974,310,440.79/784,033.09
  6. Step 6: Final answer
    x = 763,965.60

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Double scale
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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.