Home / 869,724.56-1,200,351.12-530,389.64

Finding the Fourth Proportional to 869,724.56, 1,200,351.12 and 530,389.64

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Solution

The fourth proportional to 869,724.56, 1,200,351.12 and 530,389.64 is: 732,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,724.56 : 1,200,351.12 = 530,389.64 : x
  2. Step 2: Convert to fraction form
    869,724.56/1,200,351.12 = 530,389.64/x
  3. Step 3: Cross multiply
    869,724.56x = 1,200,351.12 × 530,389.64
  4. Step 4: Simplify right side
    869,724.56x = 636,653,799,422.31
  5. Step 5: Solve for x
    x = 636,653,799,422.31/869,724.56
  6. Step 6: Final answer
    x = 732,017.73

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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.