Home / 936,413.20-1,292,254.68-528,532.30

Finding the Fourth Proportional to 936,413.20, 1,292,254.68 and 528,532.30

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Solution

The fourth proportional to 936,413.20, 1,292,254.68 and 528,532.30 is: 729,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,413.20 : 1,292,254.68 = 528,532.30 : x
  2. Step 2: Convert to fraction form
    936,413.20/1,292,254.68 = 528,532.30/x
  3. Step 3: Cross multiply
    936,413.20x = 1,292,254.68 × 528,532.30
  4. Step 4: Simplify right side
    936,413.20x = 682,998,338,206.16
  5. Step 5: Solve for x
    x = 682,998,338,206.16/936,413.20
  6. Step 6: Final answer
    x = 729,377.09

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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.