Home / 749,651.20-1,124,476.80-497,708.80

Finding the Fourth Proportional to 749,651.20, 1,124,476.80 and 497,708.80

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Solution

The fourth proportional to 749,651.20, 1,124,476.80 and 497,708.80 is: 746,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,651.20 : 1,124,476.80 = 497,708.80 : x
  2. Step 2: Convert to fraction form
    749,651.20/1,124,476.80 = 497,708.80/x
  3. Step 3: Cross multiply
    749,651.20x = 1,124,476.80 × 497,708.80
  4. Step 4: Simplify right side
    749,651.20x = 559,661,998,755.84
  5. Step 5: Solve for x
    x = 559,661,998,755.84/749,651.20
  6. Step 6: Final answer
    x = 746,563.20

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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.