Home / 1,022,114.40-1,533,171.60-312,141.30

Finding the Fourth Proportional to 1,022,114.40, 1,533,171.60 and 312,141.30

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Solution

The fourth proportional to 1,022,114.40, 1,533,171.60 and 312,141.30 is: 468,211.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,114.40 : 1,533,171.60 = 312,141.30 : x
  2. Step 2: Convert to fraction form
    1,022,114.40/1,533,171.60 = 312,141.30/x
  3. Step 3: Cross multiply
    1,022,114.40x = 1,533,171.60 × 312,141.30
  4. Step 4: Simplify right side
    1,022,114.40x = 478,566,176,347.08
  5. Step 5: Solve for x
    x = 478,566,176,347.08/1,022,114.40
  6. Step 6: Final answer
    x = 468,211.95

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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.