Home / 746,575.20-1,119,862.80-247,939.20

Finding the Fourth Proportional to 746,575.20, 1,119,862.80 and 247,939.20

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Solution

The fourth proportional to 746,575.20, 1,119,862.80 and 247,939.20 is: 371,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,575.20 : 1,119,862.80 = 247,939.20 : x
  2. Step 2: Convert to fraction form
    746,575.20/1,119,862.80 = 247,939.20/x
  3. Step 3: Cross multiply
    746,575.20x = 1,119,862.80 × 247,939.20
  4. Step 4: Simplify right side
    746,575.20x = 277,657,886,741.76
  5. Step 5: Solve for x
    x = 277,657,886,741.76/746,575.20
  6. Step 6: Final answer
    x = 371,908.80

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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.