Home / 1,286,329.32-1,929,703.79-527,967.25

Finding the Fourth Proportional to 1,286,329.32, 1,929,703.79 and 527,967.25

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Solution

The fourth proportional to 1,286,329.32, 1,929,703.79 and 527,967.25 is: 792,036.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,329.32 : 1,929,703.79 = 527,967.25 : x
  2. Step 2: Convert to fraction form
    1,286,329.32/1,929,703.79 = 527,967.25/x
  3. Step 3: Cross multiply
    1,286,329.32x = 1,929,703.79 × 527,967.25
  4. Step 4: Simplify right side
    1,286,329.32x = 1,018,820,397,836.66
  5. Step 5: Solve for x
    x = 1,018,820,397,836.66/1,286,329.32
  6. Step 6: Final answer
    x = 792,036.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.