Home / 923,917.79-1,386,623.00-391,812.19

Finding the Fourth Proportional to 923,917.79, 1,386,623.00 and 391,812.19

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Solution

The fourth proportional to 923,917.79, 1,386,623.00 and 391,812.19 is: 588,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,917.79 : 1,386,623.00 = 391,812.19 : x
  2. Step 2: Convert to fraction form
    923,917.79/1,386,623.00 = 391,812.19/x
  3. Step 3: Cross multiply
    923,917.79x = 1,386,623.00 × 391,812.19
  4. Step 4: Simplify right side
    923,917.79x = 543,295,791,847.34
  5. Step 5: Solve for x
    x = 543,295,791,847.34/923,917.79
  6. Step 6: Final answer
    x = 588,034.78

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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.