Home / 927,814.65-1,280,362.53-545,866.02

Finding the Fourth Proportional to 927,814.65, 1,280,362.53 and 545,866.02

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Solution

The fourth proportional to 927,814.65, 1,280,362.53 and 545,866.02 is: 753,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,814.65 : 1,280,362.53 = 545,866.02 : x
  2. Step 2: Convert to fraction form
    927,814.65/1,280,362.53 = 545,866.02/x
  3. Step 3: Cross multiply
    927,814.65x = 1,280,362.53 × 545,866.02
  4. Step 4: Simplify right side
    927,814.65x = 698,906,398,408.23
  5. Step 5: Solve for x
    x = 698,906,398,408.23/927,814.65
  6. Step 6: Final answer
    x = 753,282.35

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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.