Home / 1,289,724.12-1,934,583.85-343,094.84

Finding the Fourth Proportional to 1,289,724.12, 1,934,583.85 and 343,094.84

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Solution

The fourth proportional to 1,289,724.12, 1,934,583.85 and 343,094.84 is: 514,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,724.12 : 1,934,583.85 = 343,094.84 : x
  2. Step 2: Convert to fraction form
    1,289,724.12/1,934,583.85 = 343,094.84/x
  3. Step 3: Cross multiply
    1,289,724.12x = 1,934,583.85 × 343,094.84
  4. Step 4: Simplify right side
    1,289,724.12x = 663,745,734,492.97
  5. Step 5: Solve for x
    x = 663,745,734,492.97/1,289,724.12
  6. Step 6: Final answer
    x = 514,641.64

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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.