Home / 923,941-1,275,038.58-500,005

Finding the Fourth Proportional to 923,941, 1,275,038.58 and 500,005

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Solution

The fourth proportional to 923,941, 1,275,038.58 and 500,005 is: 690,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,941 : 1,275,038.58 = 500,005 : x
  2. Step 2: Convert to fraction form
    923,941/1,275,038.58 = 500,005/x
  3. Step 3: Cross multiply
    923,941x = 1,275,038.58 × 500,005
  4. Step 4: Simplify right side
    923,941x = 637,525,665,192.90
  5. Step 5: Solve for x
    x = 637,525,665,192.90/923,941
  6. Step 6: Final answer
    x = 690,006.90

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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.