Home / 976,996.40-1,465,667.40-346,276.40

Finding the Fourth Proportional to 976,996.40, 1,465,667.40 and 346,276.40

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Solution

The fourth proportional to 976,996.40, 1,465,667.40 and 346,276.40 is: 519,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,996.40 : 1,465,667.40 = 346,276.40 : x
  2. Step 2: Convert to fraction form
    976,996.40/1,465,667.40 = 346,276.40/x
  3. Step 3: Cross multiply
    976,996.40x = 1,465,667.40 × 346,276.40
  4. Step 4: Simplify right side
    976,996.40x = 507,526,030,869.36
  5. Step 5: Solve for x
    x = 507,526,030,869.36/976,996.40
  6. Step 6: Final answer
    x = 519,475.85

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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.