Home / 893,615.56-1,339,669.91-387,795.47

Finding the Fourth Proportional to 893,615.56, 1,339,669.91 and 387,795.47

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Solution

The fourth proportional to 893,615.56, 1,339,669.91 and 387,795.47 is: 581,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,615.56 : 1,339,669.91 = 387,795.47 : x
  2. Step 2: Convert to fraction form
    893,615.56/1,339,669.91 = 387,795.47/x
  3. Step 3: Cross multiply
    893,615.56x = 1,339,669.91 × 387,795.47
  4. Step 4: Simplify right side
    893,615.56x = 519,517,916,664.45
  5. Step 5: Solve for x
    x = 519,517,916,664.45/893,615.56
  6. Step 6: Final answer
    x = 581,366.24

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1.5x scale

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.