Home / 784,510.89-1,176,766.34-548,314.89

Finding the Fourth Proportional to 784,510.89, 1,176,766.34 and 548,314.89

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Solution

The fourth proportional to 784,510.89, 1,176,766.34 and 548,314.89 is: 822,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,510.89 : 1,176,766.34 = 548,314.89 : x
  2. Step 2: Convert to fraction form
    784,510.89/1,176,766.34 = 548,314.89/x
  3. Step 3: Cross multiply
    784,510.89x = 1,176,766.34 × 548,314.89
  4. Step 4: Simplify right side
    784,510.89x = 645,238,506,272.80
  5. Step 5: Solve for x
    x = 645,238,506,272.80/784,510.89
  6. Step 6: Final answer
    x = 822,472.34

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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.