Home / 923,518.80-1,385,278.20-503,614.80

Finding the Fourth Proportional to 923,518.80, 1,385,278.20 and 503,614.80

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Solution

The fourth proportional to 923,518.80, 1,385,278.20 and 503,614.80 is: 755,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,518.80 : 1,385,278.20 = 503,614.80 : x
  2. Step 2: Convert to fraction form
    923,518.80/1,385,278.20 = 503,614.80/x
  3. Step 3: Cross multiply
    923,518.80x = 1,385,278.20 × 503,614.80
  4. Step 4: Simplify right side
    923,518.80x = 697,646,603,637.36
  5. Step 5: Solve for x
    x = 697,646,603,637.36/923,518.80
  6. Step 6: Final answer
    x = 755,422.20

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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.