Home / 916,672.85-1,264,984.22-508,764.17

Finding the Fourth Proportional to 916,672.85, 1,264,984.22 and 508,764.17

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Solution

The fourth proportional to 916,672.85, 1,264,984.22 and 508,764.17 is: 702,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,672.85 : 1,264,984.22 = 508,764.17 : x
  2. Step 2: Convert to fraction form
    916,672.85/1,264,984.22 = 508,764.17/x
  3. Step 3: Cross multiply
    916,672.85x = 1,264,984.22 × 508,764.17
  4. Step 4: Simplify right side
    916,672.85x = 643,578,640,426.48
  5. Step 5: Solve for x
    x = 643,578,640,426.48/916,672.85
  6. Step 6: Final answer
    x = 702,081.05

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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.