Home / 1,249,413.92-1,874,891.52-491,122.16

Finding the Fourth Proportional to 1,249,413.92, 1,874,891.52 and 491,122.16

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Solution

The fourth proportional to 1,249,413.92, 1,874,891.52 and 491,122.16 is: 736,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,413.92 : 1,874,891.52 = 491,122.16 : x
  2. Step 2: Convert to fraction form
    1,249,413.92/1,874,891.52 = 491,122.16/x
  3. Step 3: Cross multiply
    1,249,413.92x = 1,874,891.52 × 491,122.16
  4. Step 4: Simplify right side
    1,249,413.92x = 920,800,773,068.08
  5. Step 5: Solve for x
    x = 920,800,773,068.08/1,249,413.92
  6. Step 6: Final answer
    x = 736,986.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.