Home / 790,553.40-1,092,802.35-705,356.79

Finding the Fourth Proportional to 790,553.40, 1,092,802.35 and 705,356.79

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Solution

The fourth proportional to 790,553.40, 1,092,802.35 and 705,356.79 is: 975,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,553.40 : 1,092,802.35 = 705,356.79 : x
  2. Step 2: Convert to fraction form
    790,553.40/1,092,802.35 = 705,356.79/x
  3. Step 3: Cross multiply
    790,553.40x = 1,092,802.35 × 705,356.79
  4. Step 4: Simplify right side
    790,553.40x = 770,815,557,700.46
  5. Step 5: Solve for x
    x = 770,815,557,700.46/790,553.40
  6. Step 6: Final answer
    x = 975,032.88

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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.