Home / 639,187.07-881,362.92-522,536.46

Finding the Fourth Proportional to 639,187.07, 881,362.92 and 522,536.46

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Solution

The fourth proportional to 639,187.07, 881,362.92 and 522,536.46 is: 720,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,187.07 : 881,362.92 = 522,536.46 : x
  2. Step 2: Convert to fraction form
    639,187.07/881,362.92 = 522,536.46/x
  3. Step 3: Cross multiply
    639,187.07x = 881,362.92 × 522,536.46
  4. Step 4: Simplify right side
    639,187.07x = 460,544,260,192.06
  5. Step 5: Solve for x
    x = 460,544,260,192.06/639,187.07
  6. Step 6: Final answer
    x = 720,515.61

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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.