Home / 1,666,905.28-2,500,360.65-404,732.90

Finding the Fourth Proportional to 1,666,905.28, 2,500,360.65 and 404,732.90

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Solution

The fourth proportional to 1,666,905.28, 2,500,360.65 and 404,732.90 is: 607,100.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,905.28 : 2,500,360.65 = 404,732.90 : x
  2. Step 2: Convert to fraction form
    1,666,905.28/2,500,360.65 = 404,732.90/x
  3. Step 3: Cross multiply
    1,666,905.28x = 2,500,360.65 × 404,732.90
  4. Step 4: Simplify right side
    1,666,905.28x = 1,011,978,223,171.29
  5. Step 5: Solve for x
    x = 1,011,978,223,171.29/1,666,905.28
  6. Step 6: Final answer
    x = 607,100.02

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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.