Home / 784,697.22-1,177,040.16-519,644.16

Finding the Fourth Proportional to 784,697.22, 1,177,040.16 and 519,644.16

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Solution

The fourth proportional to 784,697.22, 1,177,040.16 and 519,644.16 is: 779,462.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,697.22 : 1,177,040.16 = 519,644.16 : x
  2. Step 2: Convert to fraction form
    784,697.22/1,177,040.16 = 519,644.16/x
  3. Step 3: Cross multiply
    784,697.22x = 1,177,040.16 × 519,644.16
  4. Step 4: Simplify right side
    784,697.22x = 611,642,045,229.47
  5. Step 5: Solve for x
    x = 611,642,045,229.47/784,697.22
  6. Step 6: Final answer
    x = 779,462.49

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1.5x scale

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.