Home / 835,413.87-1,152,840.27-453,432.45

Finding the Fourth Proportional to 835,413.87, 1,152,840.27 and 453,432.45

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Solution

The fourth proportional to 835,413.87, 1,152,840.27 and 453,432.45 is: 625,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,413.87 : 1,152,840.27 = 453,432.45 : x
  2. Step 2: Convert to fraction form
    835,413.87/1,152,840.27 = 453,432.45/x
  3. Step 3: Cross multiply
    835,413.87x = 1,152,840.27 × 453,432.45
  4. Step 4: Simplify right side
    835,413.87x = 522,735,188,084.76
  5. Step 5: Solve for x
    x = 522,735,188,084.76/835,413.87
  6. Step 6: Final answer
    x = 625,720.03

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Double scale
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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.