Home / 938,578.85-1,295,230.99-530,760.77

Finding the Fourth Proportional to 938,578.85, 1,295,230.99 and 530,760.77

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Solution

The fourth proportional to 938,578.85, 1,295,230.99 and 530,760.77 is: 732,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,578.85 : 1,295,230.99 = 530,760.77 : x
  2. Step 2: Convert to fraction form
    938,578.85/1,295,230.99 = 530,760.77/x
  3. Step 3: Cross multiply
    938,578.85x = 1,295,230.99 × 530,760.77
  4. Step 4: Simplify right side
    938,578.85x = 687,457,797,580.26
  5. Step 5: Solve for x
    x = 687,457,797,580.26/938,578.85
  6. Step 6: Final answer
    x = 732,445.44

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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.