Home / 1,224,945.66-1,690,416.15-681,077.24

Finding the Fourth Proportional to 1,224,945.66, 1,690,416.15 and 681,077.24

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Solution

The fourth proportional to 1,224,945.66, 1,690,416.15 and 681,077.24 is: 939,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,945.66 : 1,690,416.15 = 681,077.24 : x
  2. Step 2: Convert to fraction form
    1,224,945.66/1,690,416.15 = 681,077.24/x
  3. Step 3: Cross multiply
    1,224,945.66x = 1,690,416.15 × 681,077.24
  4. Step 4: Simplify right side
    1,224,945.66x = 1,151,303,957,441.35
  5. Step 5: Solve for x
    x = 1,151,303,957,441.35/1,224,945.66
  6. Step 6: Final answer
    x = 939,881.66

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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.