Home / 649,296.15-973,944.23-410,147.70

Finding the Fourth Proportional to 649,296.15, 973,944.23 and 410,147.70

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Solution

The fourth proportional to 649,296.15, 973,944.23 and 410,147.70 is: 615,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,296.15 : 973,944.23 = 410,147.70 : x
  2. Step 2: Convert to fraction form
    649,296.15/973,944.23 = 410,147.70/x
  3. Step 3: Cross multiply
    649,296.15x = 973,944.23 × 410,147.70
  4. Step 4: Simplify right side
    649,296.15x = 399,460,983,812.03
  5. Step 5: Solve for x
    x = 399,460,983,812.03/649,296.15
  6. Step 6: Final answer
    x = 615,221.55

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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.