Home / 1,678,912.86-2,316,832.16-914,950.02

Finding the Fourth Proportional to 1,678,912.86, 2,316,832.16 and 914,950.02

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Solution

The fourth proportional to 1,678,912.86, 2,316,832.16 and 914,950.02 is: 1,262,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,912.86 : 2,316,832.16 = 914,950.02 : x
  2. Step 2: Convert to fraction form
    1,678,912.86/2,316,832.16 = 914,950.02/x
  3. Step 3: Cross multiply
    1,678,912.86x = 2,316,832.16 × 914,950.02
  4. Step 4: Simplify right side
    1,678,912.86x = 2,119,785,626,553.89
  5. Step 5: Solve for x
    x = 2,119,785,626,553.89/1,678,912.86
  6. Step 6: Final answer
    x = 1,262,594.19

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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.