Home / 724,505.66-1,085,344.77-474,429.50

Finding the Fourth Proportional to 724,505.66, 1,085,344.77 and 474,429.50

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Solution

The fourth proportional to 724,505.66, 1,085,344.77 and 474,429.50 is: 710,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,505.66 : 1,085,344.77 = 474,429.50 : x
  2. Step 2: Convert to fraction form
    724,505.66/1,085,344.77 = 474,429.50/x
  3. Step 3: Cross multiply
    724,505.66x = 1,085,344.77 × 474,429.50
  4. Step 4: Simplify right side
    724,505.66x = 514,919,576,558.72
  5. Step 5: Solve for x
    x = 514,919,576,558.72/724,505.66
  6. Step 6: Final answer
    x = 710,718.50

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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.