Home / 1,207,444.32-1,666,192.38-663,568.38

Finding the Fourth Proportional to 1,207,444.32, 1,666,192.38 and 663,568.38

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Solution

The fourth proportional to 1,207,444.32, 1,666,192.38 and 663,568.38 is: 915,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,444.32 : 1,666,192.38 = 663,568.38 : x
  2. Step 2: Convert to fraction form
    1,207,444.32/1,666,192.38 = 663,568.38/x
  3. Step 3: Cross multiply
    1,207,444.32x = 1,666,192.38 × 663,568.38
  4. Step 4: Simplify right side
    1,207,444.32x = 1,105,632,578,364.94
  5. Step 5: Solve for x
    x = 1,105,632,578,364.94/1,207,444.32
  6. Step 6: Final answer
    x = 915,679.97

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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.