Home / 992,898.95-1,489,348.40-693,963.36

Finding the Fourth Proportional to 992,898.95, 1,489,348.40 and 693,963.36

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Solution

The fourth proportional to 992,898.95, 1,489,348.40 and 693,963.36 is: 1,040,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,898.95 : 1,489,348.40 = 693,963.36 : x
  2. Step 2: Convert to fraction form
    992,898.95/1,489,348.40 = 693,963.36/x
  3. Step 3: Cross multiply
    992,898.95x = 1,489,348.40 × 693,963.36
  4. Step 4: Simplify right side
    992,898.95x = 1,033,553,216,404.81
  5. Step 5: Solve for x
    x = 1,033,553,216,404.81/992,898.95
  6. Step 6: Final answer
    x = 1,040,945.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.