Home / 912,088.13-1,368,132.26-247,240.13

Finding the Fourth Proportional to 912,088.13, 1,368,132.26 and 247,240.13

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Solution

The fourth proportional to 912,088.13, 1,368,132.26 and 247,240.13 is: 370,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,088.13 : 1,368,132.26 = 247,240.13 : x
  2. Step 2: Convert to fraction form
    912,088.13/1,368,132.26 = 247,240.13/x
  3. Step 3: Cross multiply
    912,088.13x = 1,368,132.26 × 247,240.13
  4. Step 4: Simplify right side
    912,088.13x = 338,257,189,742.73
  5. Step 5: Solve for x
    x = 338,257,189,742.73/912,088.13
  6. Step 6: Final answer
    x = 370,860.21

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Double scale
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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.