Home / 1,197,905.62-1,653,254.71-681,785

Finding the Fourth Proportional to 1,197,905.62, 1,653,254.71 and 681,785

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Solution

The fourth proportional to 1,197,905.62, 1,653,254.71 and 681,785 is: 940,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,905.62 : 1,653,254.71 = 681,785 : x
  2. Step 2: Convert to fraction form
    1,197,905.62/1,653,254.71 = 681,785/x
  3. Step 3: Cross multiply
    1,197,905.62x = 1,653,254.71 × 681,785
  4. Step 4: Simplify right side
    1,197,905.62x = 1,127,164,264,161.81
  5. Step 5: Solve for x
    x = 1,127,164,264,161.81/1,197,905.62
  6. Step 6: Final answer
    x = 940,945.81

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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.