Home / 927,982.08-1,280,554.65-545,935.05

Finding the Fourth Proportional to 927,982.08, 1,280,554.65 and 545,935.05

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Solution

The fourth proportional to 927,982.08, 1,280,554.65 and 545,935.05 is: 753,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,982.08 : 1,280,554.65 = 545,935.05 : x
  2. Step 2: Convert to fraction form
    927,982.08/1,280,554.65 = 545,935.05/x
  3. Step 3: Cross multiply
    927,982.08x = 1,280,554.65 × 545,935.05
  4. Step 4: Simplify right side
    927,982.08x = 699,099,666,875.48
  5. Step 5: Solve for x
    x = 699,099,666,875.48/927,982.08
  6. Step 6: Final answer
    x = 753,354.71

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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.