Home / 693,445.80-1,040,168.70-575,250.60

Finding the Fourth Proportional to 693,445.80, 1,040,168.70 and 575,250.60

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Solution

The fourth proportional to 693,445.80, 1,040,168.70 and 575,250.60 is: 862,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,445.80 : 1,040,168.70 = 575,250.60 : x
  2. Step 2: Convert to fraction form
    693,445.80/1,040,168.70 = 575,250.60/x
  3. Step 3: Cross multiply
    693,445.80x = 1,040,168.70 × 575,250.60
  4. Step 4: Simplify right side
    693,445.80x = 598,357,668,776.22
  5. Step 5: Solve for x
    x = 598,357,668,776.22/693,445.80
  6. Step 6: Final answer
    x = 862,875.90

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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.