Home / 782,228.16-1,079,475.30-424,532.16

Finding the Fourth Proportional to 782,228.16, 1,079,475.30 and 424,532.16

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Solution

The fourth proportional to 782,228.16, 1,079,475.30 and 424,532.16 is: 585,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,228.16 : 1,079,475.30 = 424,532.16 : x
  2. Step 2: Convert to fraction form
    782,228.16/1,079,475.30 = 424,532.16/x
  3. Step 3: Cross multiply
    782,228.16x = 1,079,475.30 × 424,532.16
  4. Step 4: Simplify right side
    782,228.16x = 458,271,980,775.65
  5. Step 5: Solve for x
    x = 458,271,980,775.65/782,228.16
  6. Step 6: Final answer
    x = 585,854.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.