Home / 990,009.84-1,482,502.85-829,664.13

Finding the Fourth Proportional to 990,009.84, 1,482,502.85 and 829,664.13

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Solution

The fourth proportional to 990,009.84, 1,482,502.85 and 829,664.13 is: 1,242,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,009.84 : 1,482,502.85 = 829,664.13 : x
  2. Step 2: Convert to fraction form
    990,009.84/1,482,502.85 = 829,664.13/x
  3. Step 3: Cross multiply
    990,009.84x = 1,482,502.85 × 829,664.13
  4. Step 4: Simplify right side
    990,009.84x = 1,229,979,446,456.94
  5. Step 5: Solve for x
    x = 1,229,979,446,456.94/990,009.84
  6. Step 6: Final answer
    x = 1,242,391.13

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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.