Home / 923,613.20-1,385,808.60-503,190.80

Finding the Fourth Proportional to 923,613.20, 1,385,808.60 and 503,190.80

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Solution

The fourth proportional to 923,613.20, 1,385,808.60 and 503,190.80 is: 754,998.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,613.20 : 1,385,808.60 = 503,190.80 : x
  2. Step 2: Convert to fraction form
    923,613.20/1,385,808.60 = 503,190.80/x
  3. Step 3: Cross multiply
    923,613.20x = 1,385,808.60 × 503,190.80
  4. Step 4: Simplify right side
    923,613.20x = 697,326,138,080.88
  5. Step 5: Solve for x
    x = 697,326,138,080.88/923,613.20
  6. Step 6: Final answer
    x = 754,998.02

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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.