Home / 813,060.50-1,122,413.52-571,550.10

Finding the Fourth Proportional to 813,060.50, 1,122,413.52 and 571,550.10

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Solution

The fourth proportional to 813,060.50, 1,122,413.52 and 571,550.10 is: 789,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,060.50 : 1,122,413.52 = 571,550.10 : x
  2. Step 2: Convert to fraction form
    813,060.50/1,122,413.52 = 571,550.10/x
  3. Step 3: Cross multiply
    813,060.50x = 1,122,413.52 × 571,550.10
  4. Step 4: Simplify right side
    813,060.50x = 641,515,559,597.35
  5. Step 5: Solve for x
    x = 641,515,559,597.35/813,060.50
  6. Step 6: Final answer
    x = 789,013.31

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1.5x scale

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.