Home / 938,671.56-1,295,286.66-530,753.40

Finding the Fourth Proportional to 938,671.56, 1,295,286.66 and 530,753.40

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Solution

The fourth proportional to 938,671.56, 1,295,286.66 and 530,753.40 is: 732,394.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,671.56 : 1,295,286.66 = 530,753.40 : x
  2. Step 2: Convert to fraction form
    938,671.56/1,295,286.66 = 530,753.40/x
  3. Step 3: Cross multiply
    938,671.56x = 1,295,286.66 × 530,753.40
  4. Step 4: Simplify right side
    938,671.56x = 687,477,798,769.64
  5. Step 5: Solve for x
    x = 687,477,798,769.64/938,671.56
  6. Step 6: Final answer
    x = 732,394.41

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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.