Home / 1,206,650.84-1,665,132.54-670,141.40

Finding the Fourth Proportional to 1,206,650.84, 1,665,132.54 and 670,141.40

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Solution

The fourth proportional to 1,206,650.84, 1,665,132.54 and 670,141.40 is: 924,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,650.84 : 1,665,132.54 = 670,141.40 : x
  2. Step 2: Convert to fraction form
    1,206,650.84/1,665,132.54 = 670,141.40/x
  3. Step 3: Cross multiply
    1,206,650.84x = 1,665,132.54 × 670,141.40
  4. Step 4: Simplify right side
    1,206,650.84x = 1,115,874,251,541.16
  5. Step 5: Solve for x
    x = 1,115,874,251,541.16/1,206,650.84
  6. Step 6: Final answer
    x = 924,769.80

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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.