Home / 914,606.60-1,371,909.90-283,584.20

Finding the Fourth Proportional to 914,606.60, 1,371,909.90 and 283,584.20

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Solution

The fourth proportional to 914,606.60, 1,371,909.90 and 283,584.20 is: 425,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,606.60 : 1,371,909.90 = 283,584.20 : x
  2. Step 2: Convert to fraction form
    914,606.60/1,371,909.90 = 283,584.20/x
  3. Step 3: Cross multiply
    914,606.60x = 1,371,909.90 × 283,584.20
  4. Step 4: Simplify right side
    914,606.60x = 389,051,971,463.58
  5. Step 5: Solve for x
    x = 389,051,971,463.58/914,606.60
  6. Step 6: Final answer
    x = 425,376.30

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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.