Home / 1,418,319.62-1,957,013.38-845,413.10

Finding the Fourth Proportional to 1,418,319.62, 1,957,013.38 and 845,413.10

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Solution

The fourth proportional to 1,418,319.62, 1,957,013.38 and 845,413.10 is: 1,166,510.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,319.62 : 1,957,013.38 = 845,413.10 : x
  2. Step 2: Convert to fraction form
    1,418,319.62/1,957,013.38 = 845,413.10/x
  3. Step 3: Cross multiply
    1,418,319.62x = 1,957,013.38 × 845,413.10
  4. Step 4: Simplify right side
    1,418,319.62x = 1,654,484,736,428.68
  5. Step 5: Solve for x
    x = 1,654,484,736,428.68/1,418,319.62
  6. Step 6: Final answer
    x = 1,166,510.51

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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.