Home / 1,771,211.70-2,656,817.55-760,161.60

Finding the Fourth Proportional to 1,771,211.70, 2,656,817.55 and 760,161.60

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Solution

The fourth proportional to 1,771,211.70, 2,656,817.55 and 760,161.60 is: 1,140,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,211.70 : 2,656,817.55 = 760,161.60 : x
  2. Step 2: Convert to fraction form
    1,771,211.70/2,656,817.55 = 760,161.60/x
  3. Step 3: Cross multiply
    1,771,211.70x = 2,656,817.55 × 760,161.60
  4. Step 4: Simplify right side
    1,771,211.70x = 2,019,610,679,716.08
  5. Step 5: Solve for x
    x = 2,019,610,679,716.08/1,771,211.70
  6. Step 6: Final answer
    x = 1,140,242.40

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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.