Home / 957,279.45-1,321,038.90-527,560.05

Finding the Fourth Proportional to 957,279.45, 1,321,038.90 and 527,560.05

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Solution

The fourth proportional to 957,279.45, 1,321,038.90 and 527,560.05 is: 728,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,279.45 : 1,321,038.90 = 527,560.05 : x
  2. Step 2: Convert to fraction form
    957,279.45/1,321,038.90 = 527,560.05/x
  3. Step 3: Cross multiply
    957,279.45x = 1,321,038.90 × 527,560.05
  4. Step 4: Simplify right side
    957,279.45x = 696,927,348,135.95
  5. Step 5: Solve for x
    x = 696,927,348,135.95/957,279.45
  6. Step 6: Final answer
    x = 728,029.15

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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.