Home / 1,621,127.85-2,431,741.19-556,154.84

Finding the Fourth Proportional to 1,621,127.85, 2,431,741.19 and 556,154.84

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Solution

The fourth proportional to 1,621,127.85, 2,431,741.19 and 556,154.84 is: 834,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,127.85 : 2,431,741.19 = 556,154.84 : x
  2. Step 2: Convert to fraction form
    1,621,127.85/2,431,741.19 = 556,154.84/x
  3. Step 3: Cross multiply
    1,621,127.85x = 2,431,741.19 × 556,154.84
  4. Step 4: Simplify right side
    1,621,127.85x = 1,352,424,617,506.38
  5. Step 5: Solve for x
    x = 1,352,424,617,506.38/1,621,127.85
  6. Step 6: Final answer
    x = 834,249.20

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Double scale
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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.