Home / 414,457.28-571,899.94-261,437.72

Finding the Fourth Proportional to 414,457.28, 571,899.94 and 261,437.72

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Solution

The fourth proportional to 414,457.28, 571,899.94 and 261,437.72 is: 360,751.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,457.28 : 571,899.94 = 261,437.72 : x
  2. Step 2: Convert to fraction form
    414,457.28/571,899.94 = 261,437.72/x
  3. Step 3: Cross multiply
    414,457.28x = 571,899.94 × 261,437.72
  4. Step 4: Simplify right side
    414,457.28x = 149,516,216,381.74
  5. Step 5: Solve for x
    x = 149,516,216,381.74/414,457.28
  6. Step 6: Final answer
    x = 360,751.82

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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.