Home / 974,381.36-1,343,979.08-635,308.88

Finding the Fourth Proportional to 974,381.36, 1,343,979.08 and 635,308.88

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Solution

The fourth proportional to 974,381.36, 1,343,979.08 and 635,308.88 is: 876,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,381.36 : 1,343,979.08 = 635,308.88 : x
  2. Step 2: Convert to fraction form
    974,381.36/1,343,979.08 = 635,308.88/x
  3. Step 3: Cross multiply
    974,381.36x = 1,343,979.08 × 635,308.88
  4. Step 4: Simplify right side
    974,381.36x = 853,841,834,161.79
  5. Step 5: Solve for x
    x = 853,841,834,161.79/974,381.36
  6. Step 6: Final answer
    x = 876,291.23

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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.