Home / 1,143,911.94-1,578,545.52-627,652.98

Finding the Fourth Proportional to 1,143,911.94, 1,578,545.52 and 627,652.98

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Solution

The fourth proportional to 1,143,911.94, 1,578,545.52 and 627,652.98 is: 866,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,911.94 : 1,578,545.52 = 627,652.98 : x
  2. Step 2: Convert to fraction form
    1,143,911.94/1,578,545.52 = 627,652.98/x
  3. Step 3: Cross multiply
    1,143,911.94x = 1,578,545.52 × 627,652.98
  4. Step 4: Simplify right side
    1,143,911.94x = 990,778,799,693.65
  5. Step 5: Solve for x
    x = 990,778,799,693.65/1,143,911.94
  6. Step 6: Final answer
    x = 866,132.06

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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.