Home / 753,613.40-1,130,420.10-652,136.60

Finding the Fourth Proportional to 753,613.40, 1,130,420.10 and 652,136.60

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Solution

The fourth proportional to 753,613.40, 1,130,420.10 and 652,136.60 is: 978,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,613.40 : 1,130,420.10 = 652,136.60 : x
  2. Step 2: Convert to fraction form
    753,613.40/1,130,420.10 = 652,136.60/x
  3. Step 3: Cross multiply
    753,613.40x = 1,130,420.10 × 652,136.60
  4. Step 4: Simplify right side
    753,613.40x = 737,188,320,585.66
  5. Step 5: Solve for x
    x = 737,188,320,585.66/753,613.40
  6. Step 6: Final answer
    x = 978,204.90

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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.