Home / 945,332.40-1,417,998.60-314,164.20

Finding the Fourth Proportional to 945,332.40, 1,417,998.60 and 314,164.20

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Solution

The fourth proportional to 945,332.40, 1,417,998.60 and 314,164.20 is: 471,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,332.40 : 1,417,998.60 = 314,164.20 : x
  2. Step 2: Convert to fraction form
    945,332.40/1,417,998.60 = 314,164.20/x
  3. Step 3: Cross multiply
    945,332.40x = 1,417,998.60 × 314,164.20
  4. Step 4: Simplify right side
    945,332.40x = 445,484,395,770.12
  5. Step 5: Solve for x
    x = 445,484,395,770.12/945,332.40
  6. Step 6: Final answer
    x = 471,246.30

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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.