Home / 923,781.60-1,386,133.20-524,728.80

Finding the Fourth Proportional to 923,781.60, 1,386,133.20 and 524,728.80

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Solution

The fourth proportional to 923,781.60, 1,386,133.20 and 524,728.80 is: 787,354.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,781.60 : 1,386,133.20 = 524,728.80 : x
  2. Step 2: Convert to fraction form
    923,781.60/1,386,133.20 = 524,728.80/x
  3. Step 3: Cross multiply
    923,781.60x = 1,386,133.20 × 524,728.80
  4. Step 4: Simplify right side
    923,781.60x = 727,344,010,676.16
  5. Step 5: Solve for x
    x = 727,344,010,676.16/923,781.60
  6. Step 6: Final answer
    x = 787,354.94

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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.