Home / 1,207,568.16-1,666,484.28-663,723.36

Finding the Fourth Proportional to 1,207,568.16, 1,666,484.28 and 663,723.36

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Solution

The fourth proportional to 1,207,568.16, 1,666,484.28 and 663,723.36 is: 915,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,568.16 : 1,666,484.28 = 663,723.36 : x
  2. Step 2: Convert to fraction form
    1,207,568.16/1,666,484.28 = 663,723.36/x
  3. Step 3: Cross multiply
    1,207,568.16x = 1,666,484.28 × 663,723.36
  4. Step 4: Simplify right side
    1,207,568.16x = 1,106,084,545,708.78
  5. Step 5: Solve for x
    x = 1,106,084,545,708.78/1,207,568.16
  6. Step 6: Final answer
    x = 915,960.34

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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.