Home / 886,916.72-1,223,943-484,511.60

Finding the Fourth Proportional to 886,916.72, 1,223,943 and 484,511.60

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Solution

The fourth proportional to 886,916.72, 1,223,943 and 484,511.60 is: 668,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,916.72 : 1,223,943 = 484,511.60 : x
  2. Step 2: Convert to fraction form
    886,916.72/1,223,943 = 484,511.60/x
  3. Step 3: Cross multiply
    886,916.72x = 1,223,943 × 484,511.60
  4. Step 4: Simplify right side
    886,916.72x = 593,014,581,238.80
  5. Step 5: Solve for x
    x = 593,014,581,238.80/886,916.72
  6. Step 6: Final answer
    x = 668,624.88

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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.