Home / 575,749.20-863,615.70-260,205.60

Finding the Fourth Proportional to 575,749.20, 863,615.70 and 260,205.60

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Solution

The fourth proportional to 575,749.20, 863,615.70 and 260,205.60 is: 390,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,749.20 : 863,615.70 = 260,205.60 : x
  2. Step 2: Convert to fraction form
    575,749.20/863,615.70 = 260,205.60/x
  3. Step 3: Cross multiply
    575,749.20x = 863,615.70 × 260,205.60
  4. Step 4: Simplify right side
    575,749.20x = 224,717,641,387.92
  5. Step 5: Solve for x
    x = 224,717,641,387.92/575,749.20
  6. Step 6: Final answer
    x = 390,304.74

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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.