Home / 869,434.56-1,200,033.12-530,089.92

Finding the Fourth Proportional to 869,434.56, 1,200,033.12 and 530,089.92

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Solution

The fourth proportional to 869,434.56, 1,200,033.12 and 530,089.92 is: 731,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,434.56 : 1,200,033.12 = 530,089.92 : x
  2. Step 2: Convert to fraction form
    869,434.56/1,200,033.12 = 530,089.92/x
  3. Step 3: Cross multiply
    869,434.56x = 1,200,033.12 × 530,089.92
  4. Step 4: Simplify right side
    869,434.56x = 636,125,460,578.15
  5. Step 5: Solve for x
    x = 636,125,460,578.15/869,434.56
  6. Step 6: Final answer
    x = 731,654.22

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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.