Home / 811,682.28-1,217,802.51-362,713.05

Finding the Fourth Proportional to 811,682.28, 1,217,802.51 and 362,713.05

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Solution

The fourth proportional to 811,682.28, 1,217,802.51 and 362,713.05 is: 544,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,682.28 : 1,217,802.51 = 362,713.05 : x
  2. Step 2: Convert to fraction form
    811,682.28/1,217,802.51 = 362,713.05/x
  3. Step 3: Cross multiply
    811,682.28x = 1,217,802.51 × 362,713.05
  4. Step 4: Simplify right side
    811,682.28x = 441,712,862,699.76
  5. Step 5: Solve for x
    x = 441,712,862,699.76/811,682.28
  6. Step 6: Final answer
    x = 544,194.29

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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.