Home / 976,095.60-1,464,143.40-345,008.40

Finding the Fourth Proportional to 976,095.60, 1,464,143.40 and 345,008.40

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Solution

The fourth proportional to 976,095.60, 1,464,143.40 and 345,008.40 is: 517,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,095.60 : 1,464,143.40 = 345,008.40 : x
  2. Step 2: Convert to fraction form
    976,095.60/1,464,143.40 = 345,008.40/x
  3. Step 3: Cross multiply
    976,095.60x = 1,464,143.40 × 345,008.40
  4. Step 4: Simplify right side
    976,095.60x = 505,141,771,804.56
  5. Step 5: Solve for x
    x = 505,141,771,804.56/976,095.60
  6. Step 6: Final answer
    x = 517,512.60

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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.