Home / 762,682.71-1,052,502.27-423,150.15

Finding the Fourth Proportional to 762,682.71, 1,052,502.27 and 423,150.15

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Solution

The fourth proportional to 762,682.71, 1,052,502.27 and 423,150.15 is: 583,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,682.71 : 1,052,502.27 = 423,150.15 : x
  2. Step 2: Convert to fraction form
    762,682.71/1,052,502.27 = 423,150.15/x
  3. Step 3: Cross multiply
    762,682.71x = 1,052,502.27 × 423,150.15
  4. Step 4: Simplify right side
    762,682.71x = 445,366,486,047.58
  5. Step 5: Solve for x
    x = 445,366,486,047.58/762,682.71
  6. Step 6: Final answer
    x = 583,947.27

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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.