Home / 784,700.35-1,177,044.85-519,647.29

Finding the Fourth Proportional to 784,700.35, 1,177,044.85 and 519,647.29

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Solution

The fourth proportional to 784,700.35, 1,177,044.85 and 519,647.29 is: 779,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,700.35 : 1,177,044.85 = 519,647.29 : x
  2. Step 2: Convert to fraction form
    784,700.35/1,177,044.85 = 519,647.29/x
  3. Step 3: Cross multiply
    784,700.35x = 1,177,044.85 × 519,647.29
  4. Step 4: Simplify right side
    784,700.35x = 611,648,166,510.96
  5. Step 5: Solve for x
    x = 611,648,166,510.96/784,700.35
  6. Step 6: Final answer
    x = 779,467.18

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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.