Home / 591,271.20-885,886.20-275,079.60

Finding the Fourth Proportional to 591,271.20, 885,886.20 and 275,079.60

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Solution

The fourth proportional to 591,271.20, 885,886.20 and 275,079.60 is: 412,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,271.20 : 885,886.20 = 275,079.60 : x
  2. Step 2: Convert to fraction form
    591,271.20/885,886.20 = 275,079.60/x
  3. Step 3: Cross multiply
    591,271.20x = 885,886.20 × 275,079.60
  4. Step 4: Simplify right side
    591,271.20x = 243,689,221,541.52
  5. Step 5: Solve for x
    x = 243,689,221,541.52/591,271.20
  6. Step 6: Final answer
    x = 412,144.58

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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.