Home / 1,234,298.08-1,702,586.54-815,196.43

Finding the Fourth Proportional to 1,234,298.08, 1,702,586.54 and 815,196.43

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Solution

The fourth proportional to 1,234,298.08, 1,702,586.54 and 815,196.43 is: 1,124,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,298.08 : 1,702,586.54 = 815,196.43 : x
  2. Step 2: Convert to fraction form
    1,234,298.08/1,702,586.54 = 815,196.43/x
  3. Step 3: Cross multiply
    1,234,298.08x = 1,702,586.54 × 815,196.43
  4. Step 4: Simplify right side
    1,234,298.08x = 1,387,942,479,899.05
  5. Step 5: Solve for x
    x = 1,387,942,479,899.05/1,234,298.08
  6. Step 6: Final answer
    x = 1,124,479.17

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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.