Home / 1,091,413.28-1,506,195.71-607,978.30

Finding the Fourth Proportional to 1,091,413.28, 1,506,195.71 and 607,978.30

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Solution

The fourth proportional to 1,091,413.28, 1,506,195.71 and 607,978.30 is: 839,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,413.28 : 1,506,195.71 = 607,978.30 : x
  2. Step 2: Convert to fraction form
    1,091,413.28/1,506,195.71 = 607,978.30/x
  3. Step 3: Cross multiply
    1,091,413.28x = 1,506,195.71 × 607,978.30
  4. Step 4: Simplify right side
    1,091,413.28x = 915,734,307,233.09
  5. Step 5: Solve for x
    x = 915,734,307,233.09/1,091,413.28
  6. Step 6: Final answer
    x = 839,035.34

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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.