Home / 938,593.14-1,295,178.81-530,638.36

Finding the Fourth Proportional to 938,593.14, 1,295,178.81 and 530,638.36

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Solution

The fourth proportional to 938,593.14, 1,295,178.81 and 530,638.36 is: 732,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,593.14 : 1,295,178.81 = 530,638.36 : x
  2. Step 2: Convert to fraction form
    938,593.14/1,295,178.81 = 530,638.36/x
  3. Step 3: Cross multiply
    938,593.14x = 1,295,178.81 × 530,638.36
  4. Step 4: Simplify right side
    938,593.14x = 687,271,557,402.15
  5. Step 5: Solve for x
    x = 687,271,557,402.15/938,593.14
  6. Step 6: Final answer
    x = 732,235.87

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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.