Home / 955,072.32-1,316,999.04-712,966.56

Finding the Fourth Proportional to 955,072.32, 1,316,999.04 and 712,966.56

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Solution

The fourth proportional to 955,072.32, 1,316,999.04 and 712,966.56 is: 983,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,072.32 : 1,316,999.04 = 712,966.56 : x
  2. Step 2: Convert to fraction form
    955,072.32/1,316,999.04 = 712,966.56/x
  3. Step 3: Cross multiply
    955,072.32x = 1,316,999.04 × 712,966.56
  4. Step 4: Simplify right side
    955,072.32x = 938,976,275,072.10
  5. Step 5: Solve for x
    x = 938,976,275,072.10/955,072.32
  6. Step 6: Final answer
    x = 983,146.78

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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.