Home / 781,283.24-1,170,718.68-527,569.40

Finding the Fourth Proportional to 781,283.24, 1,170,718.68 and 527,569.40

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Solution

The fourth proportional to 781,283.24, 1,170,718.68 and 527,569.40 is: 790,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,283.24 : 1,170,718.68 = 527,569.40 : x
  2. Step 2: Convert to fraction form
    781,283.24/1,170,718.68 = 527,569.40/x
  3. Step 3: Cross multiply
    781,283.24x = 1,170,718.68 × 527,569.40
  4. Step 4: Simplify right side
    781,283.24x = 617,635,351,576.39
  5. Step 5: Solve for x
    x = 617,635,351,576.39/781,283.24
  6. Step 6: Final answer
    x = 790,539.61

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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.