Home / 818,966.40-1,228,449.60-464,672.40

Finding the Fourth Proportional to 818,966.40, 1,228,449.60 and 464,672.40

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Solution

The fourth proportional to 818,966.40, 1,228,449.60 and 464,672.40 is: 697,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,966.40 : 1,228,449.60 = 464,672.40 : x
  2. Step 2: Convert to fraction form
    818,966.40/1,228,449.60 = 464,672.40/x
  3. Step 3: Cross multiply
    818,966.40x = 1,228,449.60 × 464,672.40
  4. Step 4: Simplify right side
    818,966.40x = 570,826,623,911.04
  5. Step 5: Solve for x
    x = 570,826,623,911.04/818,966.40
  6. Step 6: Final answer
    x = 697,008.60

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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.