Home / 654,710.10-982,065.15-233,999.70

Finding the Fourth Proportional to 654,710.10, 982,065.15 and 233,999.70

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Solution

The fourth proportional to 654,710.10, 982,065.15 and 233,999.70 is: 350,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,710.10 : 982,065.15 = 233,999.70 : x
  2. Step 2: Convert to fraction form
    654,710.10/982,065.15 = 233,999.70/x
  3. Step 3: Cross multiply
    654,710.10x = 982,065.15 × 233,999.70
  4. Step 4: Simplify right side
    654,710.10x = 229,802,950,480.46
  5. Step 5: Solve for x
    x = 229,802,950,480.46/654,710.10
  6. Step 6: Final answer
    x = 350,999.55

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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.