Home / 917,639.89-1,266,524.30-586,283.87

Finding the Fourth Proportional to 917,639.89, 1,266,524.30 and 586,283.87

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Solution

The fourth proportional to 917,639.89, 1,266,524.30 and 586,283.87 is: 809,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,639.89 : 1,266,524.30 = 586,283.87 : x
  2. Step 2: Convert to fraction form
    917,639.89/1,266,524.30 = 586,283.87/x
  3. Step 3: Cross multiply
    917,639.89x = 1,266,524.30 × 586,283.87
  4. Step 4: Simplify right side
    917,639.89x = 742,542,772,685.06
  5. Step 5: Solve for x
    x = 742,542,772,685.06/917,639.89
  6. Step 6: Final answer
    x = 809,187.55

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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.