Home / 1,213,118.95-1,816,084.18-898,985.83

Finding the Fourth Proportional to 1,213,118.95, 1,816,084.18 and 898,985.83

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Solution

The fourth proportional to 1,213,118.95, 1,816,084.18 and 898,985.83 is: 1,345,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,118.95 : 1,816,084.18 = 898,985.83 : x
  2. Step 2: Convert to fraction form
    1,213,118.95/1,816,084.18 = 898,985.83/x
  3. Step 3: Cross multiply
    1,213,118.95x = 1,816,084.18 × 898,985.83
  4. Step 4: Simplify right side
    1,213,118.95x = 1,632,633,943,907.17
  5. Step 5: Solve for x
    x = 1,632,633,943,907.17/1,213,118.95
  6. Step 6: Final answer
    x = 1,345,815.22

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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.