Home / 784,724.01-1,177,077.78-519,670.41

Finding the Fourth Proportional to 784,724.01, 1,177,077.78 and 519,670.41

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Solution

The fourth proportional to 784,724.01, 1,177,077.78 and 519,670.41 is: 779,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,724.01 : 1,177,077.78 = 519,670.41 : x
  2. Step 2: Convert to fraction form
    784,724.01/1,177,077.78 = 519,670.41/x
  3. Step 3: Cross multiply
    784,724.01x = 1,177,077.78 × 519,670.41
  4. Step 4: Simplify right side
    784,724.01x = 611,692,492,534.49
  5. Step 5: Solve for x
    x = 611,692,492,534.49/784,724.01
  6. Step 6: Final answer
    x = 779,500.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.