Home / 1,349,663.40-1,861,328.37-1,119,856.17

Finding the Fourth Proportional to 1,349,663.40, 1,861,328.37 and 1,119,856.17

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Solution

The fourth proportional to 1,349,663.40, 1,861,328.37 and 1,119,856.17 is: 1,544,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,663.40 : 1,861,328.37 = 1,119,856.17 : x
  2. Step 2: Convert to fraction form
    1,349,663.40/1,861,328.37 = 1,119,856.17/x
  3. Step 3: Cross multiply
    1,349,663.40x = 1,861,328.37 × 1,119,856.17
  4. Step 4: Simplify right side
    1,349,663.40x = 2,084,420,059,540.54
  5. Step 5: Solve for x
    x = 2,084,420,059,540.54/1,349,663.40
  6. Step 6: Final answer
    x = 1,544,399.93

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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.