Home / 762,210.71-1,049,210.82-658,797.81

Finding the Fourth Proportional to 762,210.71, 1,049,210.82 and 658,797.81

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Solution

The fourth proportional to 762,210.71, 1,049,210.82 and 658,797.81 is: 906,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,210.71 : 1,049,210.82 = 658,797.81 : x
  2. Step 2: Convert to fraction form
    762,210.71/1,049,210.82 = 658,797.81/x
  3. Step 3: Cross multiply
    762,210.71x = 1,049,210.82 × 658,797.81
  4. Step 4: Simplify right side
    762,210.71x = 691,217,786,509.76
  5. Step 5: Solve for x
    x = 691,217,786,509.76/762,210.71
  6. Step 6: Final answer
    x = 906,859.19

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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.