Home / 4,812,808.40-7,219,212.60-4,779,630.80

Finding the Fourth Proportional to 4,812,808.40, 7,219,212.60 and 4,779,630.80

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Solution

The fourth proportional to 4,812,808.40, 7,219,212.60 and 4,779,630.80 is: 7,169,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,808.40 : 7,219,212.60 = 4,779,630.80 : x
  2. Step 2: Convert to fraction form
    4,812,808.40/7,219,212.60 = 4,779,630.80/x
  3. Step 3: Cross multiply
    4,812,808.40x = 7,219,212.60 × 4,779,630.80
  4. Step 4: Simplify right side
    4,812,808.40x = 34,505,170,894,708.08
  5. Step 5: Solve for x
    x = 34,505,170,894,708.08/4,812,808.40
  6. Step 6: Final answer
    x = 7,169,446.20

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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.