Home / 808,404.60-1,212,606.90-556,462.20

Finding the Fourth Proportional to 808,404.60, 1,212,606.90 and 556,462.20

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Solution

The fourth proportional to 808,404.60, 1,212,606.90 and 556,462.20 is: 834,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,404.60 : 1,212,606.90 = 556,462.20 : x
  2. Step 2: Convert to fraction form
    808,404.60/1,212,606.90 = 556,462.20/x
  3. Step 3: Cross multiply
    808,404.60x = 1,212,606.90 × 556,462.20
  4. Step 4: Simplify right side
    808,404.60x = 674,769,903,309.18
  5. Step 5: Solve for x
    x = 674,769,903,309.18/808,404.60
  6. Step 6: Final answer
    x = 834,693.30

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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.