Home / 957,743.02-1,321,744.92-528,022.49

Finding the Fourth Proportional to 957,743.02, 1,321,744.92 and 528,022.49

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Solution

The fourth proportional to 957,743.02, 1,321,744.92 and 528,022.49 is: 728,703.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,743.02 : 1,321,744.92 = 528,022.49 : x
  2. Step 2: Convert to fraction form
    957,743.02/1,321,744.92 = 528,022.49/x
  3. Step 3: Cross multiply
    957,743.02x = 1,321,744.92 × 528,022.49
  4. Step 4: Simplify right side
    957,743.02x = 697,911,043,803.25
  5. Step 5: Solve for x
    x = 697,911,043,803.25/957,743.02
  6. Step 6: Final answer
    x = 728,703.87

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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.