Home / 805,927.20-1,208,545.20-406,413.60

Finding the Fourth Proportional to 805,927.20, 1,208,545.20 and 406,413.60

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Solution

The fourth proportional to 805,927.20, 1,208,545.20 and 406,413.60 is: 609,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,927.20 : 1,208,545.20 = 406,413.60 : x
  2. Step 2: Convert to fraction form
    805,927.20/1,208,545.20 = 406,413.60/x
  3. Step 3: Cross multiply
    805,927.20x = 1,208,545.20 × 406,413.60
  4. Step 4: Simplify right side
    805,927.20x = 491,169,205,494.72
  5. Step 5: Solve for x
    x = 491,169,205,494.72/805,927.20
  6. Step 6: Final answer
    x = 609,446.12

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Double scale
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1.5x scale

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.