Home / 766,869.60-1,150,304.40-435,093.60

Finding the Fourth Proportional to 766,869.60, 1,150,304.40 and 435,093.60

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Solution

The fourth proportional to 766,869.60, 1,150,304.40 and 435,093.60 is: 652,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,869.60 : 1,150,304.40 = 435,093.60 : x
  2. Step 2: Convert to fraction form
    766,869.60/1,150,304.40 = 435,093.60/x
  3. Step 3: Cross multiply
    766,869.60x = 1,150,304.40 × 435,093.60
  4. Step 4: Simplify right side
    766,869.60x = 500,490,082,491.84
  5. Step 5: Solve for x
    x = 500,490,082,491.84/766,869.60
  6. Step 6: Final answer
    x = 652,640.40

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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.