Home / 1,224,148.70-1,836,223.05-657,278.30

Finding the Fourth Proportional to 1,224,148.70, 1,836,223.05 and 657,278.30

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Solution

The fourth proportional to 1,224,148.70, 1,836,223.05 and 657,278.30 is: 985,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,148.70 : 1,836,223.05 = 657,278.30 : x
  2. Step 2: Convert to fraction form
    1,224,148.70/1,836,223.05 = 657,278.30/x
  3. Step 3: Cross multiply
    1,224,148.70x = 1,836,223.05 × 657,278.30
  4. Step 4: Simplify right side
    1,224,148.70x = 1,206,909,564,724.82
  5. Step 5: Solve for x
    x = 1,206,909,564,724.82/1,224,148.70
  6. Step 6: Final answer
    x = 985,917.45

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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.