Home / 957,278.94-1,321,038.30-527,559.42

Finding the Fourth Proportional to 957,278.94, 1,321,038.30 and 527,559.42

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Solution

The fourth proportional to 957,278.94, 1,321,038.30 and 527,559.42 is: 728,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,278.94 : 1,321,038.30 = 527,559.42 : x
  2. Step 2: Convert to fraction form
    957,278.94/1,321,038.30 = 527,559.42/x
  3. Step 3: Cross multiply
    957,278.94x = 1,321,038.30 × 527,559.42
  4. Step 4: Simplify right side
    957,278.94x = 696,926,199,345.79
  5. Step 5: Solve for x
    x = 696,926,199,345.79/957,278.94
  6. Step 6: Final answer
    x = 728,028.34

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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.