Home / 526,263.46-726,077.80-322,101.55

Finding the Fourth Proportional to 526,263.46, 726,077.80 and 322,101.55

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Solution

The fourth proportional to 526,263.46, 726,077.80 and 322,101.55 is: 444,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,263.46 : 726,077.80 = 322,101.55 : x
  2. Step 2: Convert to fraction form
    526,263.46/726,077.80 = 322,101.55/x
  3. Step 3: Cross multiply
    526,263.46x = 726,077.80 × 322,101.55
  4. Step 4: Simplify right side
    526,263.46x = 233,870,784,800.59
  5. Step 5: Solve for x
    x = 233,870,784,800.59/526,263.46
  6. Step 6: Final answer
    x = 444,398.68

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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.