Home / 938,902.92-1,295,670.75-530,989.52

Finding the Fourth Proportional to 938,902.92, 1,295,670.75 and 530,989.52

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Solution

The fourth proportional to 938,902.92, 1,295,670.75 and 530,989.52 is: 732,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,902.92 : 1,295,670.75 = 530,989.52 : x
  2. Step 2: Convert to fraction form
    938,902.92/1,295,670.75 = 530,989.52/x
  3. Step 3: Cross multiply
    938,902.92x = 1,295,670.75 × 530,989.52
  4. Step 4: Simplify right side
    938,902.92x = 687,987,583,142.19
  5. Step 5: Solve for x
    x = 687,987,583,142.19/938,902.92
  6. Step 6: Final answer
    x = 732,756.89

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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.