Home / 747,209.40-1,120,814.10-248,573.40

Finding the Fourth Proportional to 747,209.40, 1,120,814.10 and 248,573.40

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Solution

The fourth proportional to 747,209.40, 1,120,814.10 and 248,573.40 is: 372,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,209.40 : 1,120,814.10 = 248,573.40 : x
  2. Step 2: Convert to fraction form
    747,209.40/1,120,814.10 = 248,573.40/x
  3. Step 3: Cross multiply
    747,209.40x = 1,120,814.10 × 248,573.40
  4. Step 4: Simplify right side
    747,209.40x = 278,604,571,604.94
  5. Step 5: Solve for x
    x = 278,604,571,604.94/747,209.40
  6. Step 6: Final answer
    x = 372,860.10

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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.