Home / 992,091.36-1,369,377.48-647,979.96

Finding the Fourth Proportional to 992,091.36, 1,369,377.48 and 647,979.96

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Solution

The fourth proportional to 992,091.36, 1,369,377.48 and 647,979.96 is: 894,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,091.36 : 1,369,377.48 = 647,979.96 : x
  2. Step 2: Convert to fraction form
    992,091.36/1,369,377.48 = 647,979.96/x
  3. Step 3: Cross multiply
    992,091.36x = 1,369,377.48 × 647,979.96
  4. Step 4: Simplify right side
    992,091.36x = 887,329,164,715.30
  5. Step 5: Solve for x
    x = 887,329,164,715.30/992,091.36
  6. Step 6: Final answer
    x = 894,402.67

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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.