Home / 957,108.15-1,320,868.08-527,388.17

Finding the Fourth Proportional to 957,108.15, 1,320,868.08 and 527,388.17

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Solution

The fourth proportional to 957,108.15, 1,320,868.08 and 527,388.17 is: 727,828.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,108.15 : 1,320,868.08 = 527,388.17 : x
  2. Step 2: Convert to fraction form
    957,108.15/1,320,868.08 = 527,388.17/x
  3. Step 3: Cross multiply
    957,108.15x = 1,320,868.08 × 527,388.17
  4. Step 4: Simplify right side
    957,108.15x = 696,610,192,918.27
  5. Step 5: Solve for x
    x = 696,610,192,918.27/957,108.15
  6. Step 6: Final answer
    x = 727,828.09

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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.