Home / 738,010.80-1,107,016.20-559,551.60

Finding the Fourth Proportional to 738,010.80, 1,107,016.20 and 559,551.60

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Solution

The fourth proportional to 738,010.80, 1,107,016.20 and 559,551.60 is: 839,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,010.80 : 1,107,016.20 = 559,551.60 : x
  2. Step 2: Convert to fraction form
    738,010.80/1,107,016.20 = 559,551.60/x
  3. Step 3: Cross multiply
    738,010.80x = 1,107,016.20 × 559,551.60
  4. Step 4: Simplify right side
    738,010.80x = 619,432,685,935.92
  5. Step 5: Solve for x
    x = 619,432,685,935.92/738,010.80
  6. Step 6: Final answer
    x = 839,327.40

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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.