Home / 4,812,368.40-7,218,552.60-4,779,190.80

Finding the Fourth Proportional to 4,812,368.40, 7,218,552.60 and 4,779,190.80

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Solution

The fourth proportional to 4,812,368.40, 7,218,552.60 and 4,779,190.80 is: 7,168,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,368.40 : 7,218,552.60 = 4,779,190.80 : x
  2. Step 2: Convert to fraction form
    4,812,368.40/7,218,552.60 = 4,779,190.80/x
  3. Step 3: Cross multiply
    4,812,368.40x = 7,218,552.60 × 4,779,190.80
  4. Step 4: Simplify right side
    4,812,368.40x = 34,498,840,175,236.08
  5. Step 5: Solve for x
    x = 34,498,840,175,236.08/4,812,368.40
  6. Step 6: Final answer
    x = 7,168,786.20

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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.