Home / 976,535.70-1,464,803.55-415,497.30

Finding the Fourth Proportional to 976,535.70, 1,464,803.55 and 415,497.30

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Solution

The fourth proportional to 976,535.70, 1,464,803.55 and 415,497.30 is: 623,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,535.70 : 1,464,803.55 = 415,497.30 : x
  2. Step 2: Convert to fraction form
    976,535.70/1,464,803.55 = 415,497.30/x
  3. Step 3: Cross multiply
    976,535.70x = 1,464,803.55 × 415,497.30
  4. Step 4: Simplify right side
    976,535.70x = 608,621,920,055.42
  5. Step 5: Solve for x
    x = 608,621,920,055.42/976,535.70
  6. Step 6: Final answer
    x = 623,245.95

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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.