Home / 1,199,637.60-1,799,456.40-313,173.60

Finding the Fourth Proportional to 1,199,637.60, 1,799,456.40 and 313,173.60

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Solution

The fourth proportional to 1,199,637.60, 1,799,456.40 and 313,173.60 is: 469,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,637.60 : 1,799,456.40 = 313,173.60 : x
  2. Step 2: Convert to fraction form
    1,199,637.60/1,799,456.40 = 313,173.60/x
  3. Step 3: Cross multiply
    1,199,637.60x = 1,799,456.40 × 313,173.60
  4. Step 4: Simplify right side
    1,199,637.60x = 563,542,238,831.04
  5. Step 5: Solve for x
    x = 563,542,238,831.04/1,199,637.60
  6. Step 6: Final answer
    x = 469,760.40

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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.