Home / 1,241,145.12-1,861,824.55-342,587.01

Finding the Fourth Proportional to 1,241,145.12, 1,861,824.55 and 342,587.01

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Solution

The fourth proportional to 1,241,145.12, 1,861,824.55 and 342,587.01 is: 513,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,145.12 : 1,861,824.55 = 342,587.01 : x
  2. Step 2: Convert to fraction form
    1,241,145.12/1,861,824.55 = 342,587.01/x
  3. Step 3: Cross multiply
    1,241,145.12x = 1,861,824.55 × 342,587.01
  4. Step 4: Simplify right side
    1,241,145.12x = 637,836,905,729.10
  5. Step 5: Solve for x
    x = 637,836,905,729.10/1,241,145.12
  6. Step 6: Final answer
    x = 513,910.01

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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.