Home / 784,033.03-1,080,820.34-554,184.80

Finding the Fourth Proportional to 784,033.03, 1,080,820.34 and 554,184.80

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Solution

The fourth proportional to 784,033.03, 1,080,820.34 and 554,184.80 is: 763,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,033.03 : 1,080,820.34 = 554,184.80 : x
  2. Step 2: Convert to fraction form
    784,033.03/1,080,820.34 = 554,184.80/x
  3. Step 3: Cross multiply
    784,033.03x = 1,080,820.34 × 554,184.80
  4. Step 4: Simplify right side
    784,033.03x = 598,974,195,783.81
  5. Step 5: Solve for x
    x = 598,974,195,783.81/784,033.03
  6. Step 6: Final answer
    x = 763,965.52

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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.