Home / 839,114.10-1,258,671.15-240,094.80

Finding the Fourth Proportional to 839,114.10, 1,258,671.15 and 240,094.80

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Solution

The fourth proportional to 839,114.10, 1,258,671.15 and 240,094.80 is: 360,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,114.10 : 1,258,671.15 = 240,094.80 : x
  2. Step 2: Convert to fraction form
    839,114.10/1,258,671.15 = 240,094.80/x
  3. Step 3: Cross multiply
    839,114.10x = 1,258,671.15 × 240,094.80
  4. Step 4: Simplify right side
    839,114.10x = 302,200,398,025.02
  5. Step 5: Solve for x
    x = 302,200,398,025.02/839,114.10
  6. Step 6: Final answer
    x = 360,142.20

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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.