Home / 1,243,596.73-1,865,395.11-345,038.62

Finding the Fourth Proportional to 1,243,596.73, 1,865,395.11 and 345,038.62

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Solution

The fourth proportional to 1,243,596.73, 1,865,395.11 and 345,038.62 is: 517,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,596.73 : 1,865,395.11 = 345,038.62 : x
  2. Step 2: Convert to fraction form
    1,243,596.73/1,865,395.11 = 345,038.62/x
  3. Step 3: Cross multiply
    1,243,596.73x = 1,865,395.11 × 345,038.62
  4. Step 4: Simplify right side
    1,243,596.73x = 643,633,354,509.15
  5. Step 5: Solve for x
    x = 643,633,354,509.15/1,243,596.73
  6. Step 6: Final answer
    x = 517,557.93

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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.