Home / 1,174,243.40-1,620,456.12-715,357.95

Finding the Fourth Proportional to 1,174,243.40, 1,620,456.12 and 715,357.95

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Solution

The fourth proportional to 1,174,243.40, 1,620,456.12 and 715,357.95 is: 987,194.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,243.40 : 1,620,456.12 = 715,357.95 : x
  2. Step 2: Convert to fraction form
    1,174,243.40/1,620,456.12 = 715,357.95/x
  3. Step 3: Cross multiply
    1,174,243.40x = 1,620,456.12 × 715,357.95
  4. Step 4: Simplify right side
    1,174,243.40x = 1,159,206,168,068.15
  5. Step 5: Solve for x
    x = 1,159,206,168,068.15/1,174,243.40
  6. Step 6: Final answer
    x = 987,194.11

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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.