Home / 1,072,254.65-1,479,979.17-664,111.85

Finding the Fourth Proportional to 1,072,254.65, 1,479,979.17 and 664,111.85

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Solution

The fourth proportional to 1,072,254.65, 1,479,979.17 and 664,111.85 is: 916,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,254.65 : 1,479,979.17 = 664,111.85 : x
  2. Step 2: Convert to fraction form
    1,072,254.65/1,479,979.17 = 664,111.85/x
  3. Step 3: Cross multiply
    1,072,254.65x = 1,479,979.17 × 664,111.85
  4. Step 4: Simplify right side
    1,072,254.65x = 982,871,697,150.27
  5. Step 5: Solve for x
    x = 982,871,697,150.27/1,072,254.65
  6. Step 6: Final answer
    x = 916,640.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.