Home / 798,985.54-1,103,045.61-554,333.14

Finding the Fourth Proportional to 798,985.54, 1,103,045.61 and 554,333.14

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Solution

The fourth proportional to 798,985.54, 1,103,045.61 and 554,333.14 is: 765,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,985.54 : 1,103,045.61 = 554,333.14 : x
  2. Step 2: Convert to fraction form
    798,985.54/1,103,045.61 = 554,333.14/x
  3. Step 3: Cross multiply
    798,985.54x = 1,103,045.61 × 554,333.14
  4. Step 4: Simplify right side
    798,985.54x = 611,454,736,554.52
  5. Step 5: Solve for x
    x = 611,454,736,554.52/798,985.54
  6. Step 6: Final answer
    x = 765,288.86

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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.