Home / 651,079.20-975,452.40-576,429.60

Finding the Fourth Proportional to 651,079.20, 975,452.40 and 576,429.60

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Solution

The fourth proportional to 651,079.20, 975,452.40 and 576,429.60 is: 863,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,079.20 : 975,452.40 = 576,429.60 : x
  2. Step 2: Convert to fraction form
    651,079.20/975,452.40 = 576,429.60/x
  3. Step 3: Cross multiply
    651,079.20x = 975,452.40 × 576,429.60
  4. Step 4: Simplify right side
    651,079.20x = 562,279,636,751.04
  5. Step 5: Solve for x
    x = 562,279,636,751.04/651,079.20
  6. Step 6: Final answer
    x = 863,611.73

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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.