Home / 714,923.31-1,072,532.79-209,500.86

Finding the Fourth Proportional to 714,923.31, 1,072,532.79 and 209,500.86

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Solution

The fourth proportional to 714,923.31, 1,072,532.79 and 209,500.86 is: 314,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,923.31 : 1,072,532.79 = 209,500.86 : x
  2. Step 2: Convert to fraction form
    714,923.31/1,072,532.79 = 209,500.86/x
  3. Step 3: Cross multiply
    714,923.31x = 1,072,532.79 × 209,500.86
  4. Step 4: Simplify right side
    714,923.31x = 224,696,541,883.20
  5. Step 5: Solve for x
    x = 224,696,541,883.20/714,923.31
  6. Step 6: Final answer
    x = 314,294.61

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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.