Home / 943,552.80-1,415,329.20-628,624.80

Finding the Fourth Proportional to 943,552.80, 1,415,329.20 and 628,624.80

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Solution

The fourth proportional to 943,552.80, 1,415,329.20 and 628,624.80 is: 942,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,552.80 : 1,415,329.20 = 628,624.80 : x
  2. Step 2: Convert to fraction form
    943,552.80/1,415,329.20 = 628,624.80/x
  3. Step 3: Cross multiply
    943,552.80x = 1,415,329.20 × 628,624.80
  4. Step 4: Simplify right side
    943,552.80x = 889,711,035,284.16
  5. Step 5: Solve for x
    x = 889,711,035,284.16/943,552.80
  6. Step 6: Final answer
    x = 942,937.20

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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.