Home / 957,728.64-1,321,605.74-528,008.77

Finding the Fourth Proportional to 957,728.64, 1,321,605.74 and 528,008.77

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Solution

The fourth proportional to 957,728.64, 1,321,605.74 and 528,008.77 is: 728,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,728.64 : 1,321,605.74 = 528,008.77 : x
  2. Step 2: Convert to fraction form
    957,728.64/1,321,605.74 = 528,008.77/x
  3. Step 3: Cross multiply
    957,728.64x = 1,321,605.74 × 528,008.77
  4. Step 4: Simplify right side
    957,728.64x = 697,819,418,562.30
  5. Step 5: Solve for x
    x = 697,819,418,562.30/957,728.64
  6. Step 6: Final answer
    x = 728,619.14

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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.