Home / 650,144.20-975,216.30-539,552.20

Finding the Fourth Proportional to 650,144.20, 975,216.30 and 539,552.20

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Solution

The fourth proportional to 650,144.20, 975,216.30 and 539,552.20 is: 809,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,144.20 : 975,216.30 = 539,552.20 : x
  2. Step 2: Convert to fraction form
    650,144.20/975,216.30 = 539,552.20/x
  3. Step 3: Cross multiply
    650,144.20x = 975,216.30 × 539,552.20
  4. Step 4: Simplify right side
    650,144.20x = 526,180,100,140.86
  5. Step 5: Solve for x
    x = 526,180,100,140.86/650,144.20
  6. Step 6: Final answer
    x = 809,328.30

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Double scale
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Similar ratio
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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.