Home / 691,334.24-954,040.80-373,382.24

Finding the Fourth Proportional to 691,334.24, 954,040.80 and 373,382.24

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Solution

The fourth proportional to 691,334.24, 954,040.80 and 373,382.24 is: 515,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,334.24 : 954,040.80 = 373,382.24 : x
  2. Step 2: Convert to fraction form
    691,334.24/954,040.80 = 373,382.24/x
  3. Step 3: Cross multiply
    691,334.24x = 954,040.80 × 373,382.24
  4. Step 4: Simplify right side
    691,334.24x = 356,221,890,955.39
  5. Step 5: Solve for x
    x = 356,221,890,955.39/691,334.24
  6. Step 6: Final answer
    x = 515,267.25

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.