Home / 923,510.40-1,385,265.60-292,423.20

Finding the Fourth Proportional to 923,510.40, 1,385,265.60 and 292,423.20

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Solution

The fourth proportional to 923,510.40, 1,385,265.60 and 292,423.20 is: 438,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,510.40 : 1,385,265.60 = 292,423.20 : x
  2. Step 2: Convert to fraction form
    923,510.40/1,385,265.60 = 292,423.20/x
  3. Step 3: Cross multiply
    923,510.40x = 1,385,265.60 × 292,423.20
  4. Step 4: Simplify right side
    923,510.40x = 405,083,799,601.92
  5. Step 5: Solve for x
    x = 405,083,799,601.92/923,510.40
  6. Step 6: Final answer
    x = 438,634.80

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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.