Home / 883,505.13-1,219,204.77-539,916.15

Finding the Fourth Proportional to 883,505.13, 1,219,204.77 and 539,916.15

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Solution

The fourth proportional to 883,505.13, 1,219,204.77 and 539,916.15 is: 745,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,505.13 : 1,219,204.77 = 539,916.15 : x
  2. Step 2: Convert to fraction form
    883,505.13/1,219,204.77 = 539,916.15/x
  3. Step 3: Cross multiply
    883,505.13x = 1,219,204.77 × 539,916.15
  4. Step 4: Simplify right side
    883,505.13x = 658,268,345,480.04
  5. Step 5: Solve for x
    x = 658,268,345,480.04/883,505.13
  6. Step 6: Final answer
    x = 745,064.54

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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.