Home / 934,015.40-1,401,023.10-615,150.80

Finding the Fourth Proportional to 934,015.40, 1,401,023.10 and 615,150.80

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Solution

The fourth proportional to 934,015.40, 1,401,023.10 and 615,150.80 is: 922,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,015.40 : 1,401,023.10 = 615,150.80 : x
  2. Step 2: Convert to fraction form
    934,015.40/1,401,023.10 = 615,150.80/x
  3. Step 3: Cross multiply
    934,015.40x = 1,401,023.10 × 615,150.80
  4. Step 4: Simplify right side
    934,015.40x = 861,840,480,783.48
  5. Step 5: Solve for x
    x = 861,840,480,783.48/934,015.40
  6. Step 6: Final answer
    x = 922,726.20

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Half scale
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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.