Home / 1,266,939.40-1,900,532.70-368,388.04

Finding the Fourth Proportional to 1,266,939.40, 1,900,532.70 and 368,388.04

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Solution

The fourth proportional to 1,266,939.40, 1,900,532.70 and 368,388.04 is: 552,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,939.40 : 1,900,532.70 = 368,388.04 : x
  2. Step 2: Convert to fraction form
    1,266,939.40/1,900,532.70 = 368,388.04/x
  3. Step 3: Cross multiply
    1,266,939.40x = 1,900,532.70 × 368,388.04
  4. Step 4: Simplify right side
    1,266,939.40x = 700,133,516,308.91
  5. Step 5: Solve for x
    x = 700,133,516,308.91/1,266,939.40
  6. Step 6: Final answer
    x = 552,618.00

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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.