Home / 932,112.80-1,398,169.20-370,858.40

Finding the Fourth Proportional to 932,112.80, 1,398,169.20 and 370,858.40

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Solution

The fourth proportional to 932,112.80, 1,398,169.20 and 370,858.40 is: 556,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,112.80 : 1,398,169.20 = 370,858.40 : x
  2. Step 2: Convert to fraction form
    932,112.80/1,398,169.20 = 370,858.40/x
  3. Step 3: Cross multiply
    932,112.80x = 1,398,169.20 × 370,858.40
  4. Step 4: Simplify right side
    932,112.80x = 518,522,792,441.28
  5. Step 5: Solve for x
    x = 518,522,792,441.28/932,112.80
  6. Step 6: Final answer
    x = 556,287.60

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Similar ratio
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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.