Home / 1,240,801.65-1,861,331.85-342,243.54

Finding the Fourth Proportional to 1,240,801.65, 1,861,331.85 and 342,243.54

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Solution

The fourth proportional to 1,240,801.65, 1,861,331.85 and 342,243.54 is: 513,400.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,801.65 : 1,861,331.85 = 342,243.54 : x
  2. Step 2: Convert to fraction form
    1,240,801.65/1,861,331.85 = 342,243.54/x
  3. Step 3: Cross multiply
    1,240,801.65x = 1,861,331.85 × 342,243.54
  4. Step 4: Simplify right side
    1,240,801.65x = 637,028,801,458.75
  5. Step 5: Solve for x
    x = 637,028,801,458.75/1,240,801.65
  6. Step 6: Final answer
    x = 513,400.99

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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.