Home / 839,774.20-1,259,661.30-460,548.40

Finding the Fourth Proportional to 839,774.20, 1,259,661.30 and 460,548.40

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Solution

The fourth proportional to 839,774.20, 1,259,661.30 and 460,548.40 is: 690,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,774.20 : 1,259,661.30 = 460,548.40 : x
  2. Step 2: Convert to fraction form
    839,774.20/1,259,661.30 = 460,548.40/x
  3. Step 3: Cross multiply
    839,774.20x = 1,259,661.30 × 460,548.40
  4. Step 4: Simplify right side
    839,774.20x = 580,134,996,256.92
  5. Step 5: Solve for x
    x = 580,134,996,256.92/839,774.20
  6. Step 6: Final answer
    x = 690,822.60

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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.