Home / 749,716.40-1,124,574.60-217,254.80

Finding the Fourth Proportional to 749,716.40, 1,124,574.60 and 217,254.80

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Solution

The fourth proportional to 749,716.40, 1,124,574.60 and 217,254.80 is: 325,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,716.40 : 1,124,574.60 = 217,254.80 : x
  2. Step 2: Convert to fraction form
    749,716.40/1,124,574.60 = 217,254.80/x
  3. Step 3: Cross multiply
    749,716.40x = 1,124,574.60 × 217,254.80
  4. Step 4: Simplify right side
    749,716.40x = 244,319,229,808.08
  5. Step 5: Solve for x
    x = 244,319,229,808.08/749,716.40
  6. Step 6: Final answer
    x = 325,882.20

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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.