Home / 846,772.80-1,269,122.40-372,955.20

Finding the Fourth Proportional to 846,772.80, 1,269,122.40 and 372,955.20

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Solution

The fourth proportional to 846,772.80, 1,269,122.40 and 372,955.20 is: 558,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,772.80 : 1,269,122.40 = 372,955.20 : x
  2. Step 2: Convert to fraction form
    846,772.80/1,269,122.40 = 372,955.20/x
  3. Step 3: Cross multiply
    846,772.80x = 1,269,122.40 × 372,955.20
  4. Step 4: Simplify right side
    846,772.80x = 473,325,798,516.48
  5. Step 5: Solve for x
    x = 473,325,798,516.48/846,772.80
  6. Step 6: Final answer
    x = 558,976.15

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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.