Home / 662,022.10-992,012.55-492,748.30

Finding the Fourth Proportional to 662,022.10, 992,012.55 and 492,748.30

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Solution

The fourth proportional to 662,022.10, 992,012.55 and 492,748.30 is: 738,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,022.10 : 992,012.55 = 492,748.30 : x
  2. Step 2: Convert to fraction form
    662,022.10/992,012.55 = 492,748.30/x
  3. Step 3: Cross multiply
    662,022.10x = 992,012.55 × 492,748.30
  4. Step 4: Simplify right side
    662,022.10x = 488,812,497,591.17
  5. Step 5: Solve for x
    x = 488,812,497,591.17/662,022.10
  6. Step 6: Final answer
    x = 738,362.81

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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.