Home / 912,456.27-1,258,771.19-590,270.13

Finding the Fourth Proportional to 912,456.27, 1,258,771.19 and 590,270.13

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Solution

The fourth proportional to 912,456.27, 1,258,771.19 and 590,270.13 is: 814,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,456.27 : 1,258,771.19 = 590,270.13 : x
  2. Step 2: Convert to fraction form
    912,456.27/1,258,771.19 = 590,270.13/x
  3. Step 3: Cross multiply
    912,456.27x = 1,258,771.19 × 590,270.13
  4. Step 4: Simplify right side
    912,456.27x = 743,015,031,010.20
  5. Step 5: Solve for x
    x = 743,015,031,010.20/912,456.27
  6. Step 6: Final answer
    x = 814,302.07

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.