Home / 1,192,368-1,645,472.16-648,503.76

Finding the Fourth Proportional to 1,192,368, 1,645,472.16 and 648,503.76

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Solution

The fourth proportional to 1,192,368, 1,645,472.16 and 648,503.76 is: 894,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,368 : 1,645,472.16 = 648,503.76 : x
  2. Step 2: Convert to fraction form
    1,192,368/1,645,472.16 = 648,503.76/x
  3. Step 3: Cross multiply
    1,192,368x = 1,645,472.16 × 648,503.76
  4. Step 4: Simplify right side
    1,192,368x = 1,067,094,882,735.32
  5. Step 5: Solve for x
    x = 1,067,094,882,735.32/1,192,368
  6. Step 6: Final answer
    x = 894,937.54

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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.