Home / 923,368.52-1,385,491.41-639,495.92

Finding the Fourth Proportional to 923,368.52, 1,385,491.41 and 639,495.92

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Solution

The fourth proportional to 923,368.52, 1,385,491.41 and 639,495.92 is: 959,547.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,368.52 : 1,385,491.41 = 639,495.92 : x
  2. Step 2: Convert to fraction form
    923,368.52/1,385,491.41 = 639,495.92/x
  3. Step 3: Cross multiply
    923,368.52x = 1,385,491.41 × 639,495.92
  4. Step 4: Simplify right side
    923,368.52x = 886,016,103,890.05
  5. Step 5: Solve for x
    x = 886,016,103,890.05/923,368.52
  6. Step 6: Final answer
    x = 959,547.66

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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.