Home / 1,040,101.70-1,560,152.55-977,116.10

Finding the Fourth Proportional to 1,040,101.70, 1,560,152.55 and 977,116.10

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Solution

The fourth proportional to 1,040,101.70, 1,560,152.55 and 977,116.10 is: 1,465,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,101.70 : 1,560,152.55 = 977,116.10 : x
  2. Step 2: Convert to fraction form
    1,040,101.70/1,560,152.55 = 977,116.10/x
  3. Step 3: Cross multiply
    1,040,101.70x = 1,560,152.55 × 977,116.10
  4. Step 4: Simplify right side
    1,040,101.70x = 1,524,450,175,061.06
  5. Step 5: Solve for x
    x = 1,524,450,175,061.06/1,040,101.70
  6. Step 6: Final answer
    x = 1,465,674.15

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Double scale
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Similar ratio
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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.