Home / 966,591.40-1,449,887.10-406,719.40

Finding the Fourth Proportional to 966,591.40, 1,449,887.10 and 406,719.40

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Solution

The fourth proportional to 966,591.40, 1,449,887.10 and 406,719.40 is: 610,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,591.40 : 1,449,887.10 = 406,719.40 : x
  2. Step 2: Convert to fraction form
    966,591.40/1,449,887.10 = 406,719.40/x
  3. Step 3: Cross multiply
    966,591.40x = 1,449,887.10 × 406,719.40
  4. Step 4: Simplify right side
    966,591.40x = 589,697,211,379.74
  5. Step 5: Solve for x
    x = 589,697,211,379.74/966,591.40
  6. Step 6: Final answer
    x = 610,079.10

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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.