Home / 938,937.35-1,295,803.11-525,515.48

Finding the Fourth Proportional to 938,937.35, 1,295,803.11 and 525,515.48

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Solution

The fourth proportional to 938,937.35, 1,295,803.11 and 525,515.48 is: 725,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,937.35 : 1,295,803.11 = 525,515.48 : x
  2. Step 2: Convert to fraction form
    938,937.35/1,295,803.11 = 525,515.48/x
  3. Step 3: Cross multiply
    938,937.35x = 1,295,803.11 × 525,515.48
  4. Step 4: Simplify right side
    938,937.35x = 680,964,593,337.14
  5. Step 5: Solve for x
    x = 680,964,593,337.14/938,937.35
  6. Step 6: Final answer
    x = 725,250.30

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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.