Home / 835,413.12-1,152,839.22-453,431.76

Finding the Fourth Proportional to 835,413.12, 1,152,839.22 and 453,431.76

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Solution

The fourth proportional to 835,413.12, 1,152,839.22 and 453,431.76 is: 625,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,413.12 : 1,152,839.22 = 453,431.76 : x
  2. Step 2: Convert to fraction form
    835,413.12/1,152,839.22 = 453,431.76/x
  3. Step 3: Cross multiply
    835,413.12x = 1,152,839.22 × 453,431.76
  4. Step 4: Simplify right side
    835,413.12x = 522,733,916,521.63
  5. Step 5: Solve for x
    x = 522,733,916,521.63/835,413.12
  6. Step 6: Final answer
    x = 625,719.07

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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.