Home / 1,240,909.42-1,861,471.35-342,351.16

Finding the Fourth Proportional to 1,240,909.42, 1,861,471.35 and 342,351.16

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Solution

The fourth proportional to 1,240,909.42, 1,861,471.35 and 342,351.16 is: 513,556.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,909.42 : 1,861,471.35 = 342,351.16 : x
  2. Step 2: Convert to fraction form
    1,240,909.42/1,861,471.35 = 342,351.16/x
  3. Step 3: Cross multiply
    1,240,909.42x = 1,861,471.35 × 342,351.16
  4. Step 4: Simplify right side
    1,240,909.42x = 637,276,876,560.98
  5. Step 5: Solve for x
    x = 637,276,876,560.98/1,240,909.42
  6. Step 6: Final answer
    x = 513,556.32

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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.