Home / 923,593.20-1,385,389.80-258,658.80

Finding the Fourth Proportional to 923,593.20, 1,385,389.80 and 258,658.80

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Solution

The fourth proportional to 923,593.20, 1,385,389.80 and 258,658.80 is: 387,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,593.20 : 1,385,389.80 = 258,658.80 : x
  2. Step 2: Convert to fraction form
    923,593.20/1,385,389.80 = 258,658.80/x
  3. Step 3: Cross multiply
    923,593.20x = 1,385,389.80 × 258,658.80
  4. Step 4: Simplify right side
    923,593.20x = 358,343,263,200.24
  5. Step 5: Solve for x
    x = 358,343,263,200.24/923,593.20
  6. Step 6: Final answer
    x = 387,988.20

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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.