Home / 1,155,225.20-1,732,953.60-396,966.80

Finding the Fourth Proportional to 1,155,225.20, 1,732,953.60 and 396,966.80

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Solution

The fourth proportional to 1,155,225.20, 1,732,953.60 and 396,966.80 is: 595,489.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,225.20 : 1,732,953.60 = 396,966.80 : x
  2. Step 2: Convert to fraction form
    1,155,225.20/1,732,953.60 = 396,966.80/x
  3. Step 3: Cross multiply
    1,155,225.20x = 1,732,953.60 × 396,966.80
  4. Step 4: Simplify right side
    1,155,225.20x = 687,925,045,140.48
  5. Step 5: Solve for x
    x = 687,925,045,140.48/1,155,225.20
  6. Step 6: Final answer
    x = 595,489.99

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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.