Home / 654,666.24-903,563.42-409,764.56

Finding the Fourth Proportional to 654,666.24, 903,563.42 and 409,764.56

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Solution

The fourth proportional to 654,666.24, 903,563.42 and 409,764.56 is: 565,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,666.24 : 903,563.42 = 409,764.56 : x
  2. Step 2: Convert to fraction form
    654,666.24/903,563.42 = 409,764.56/x
  3. Step 3: Cross multiply
    654,666.24x = 903,563.42 × 409,764.56
  4. Step 4: Simplify right side
    654,666.24x = 370,248,267,228.40
  5. Step 5: Solve for x
    x = 370,248,267,228.40/654,666.24
  6. Step 6: Final answer
    x = 565,552.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.