Home / 1,266,940.34-1,900,017.12-457,219.52

Finding the Fourth Proportional to 1,266,940.34, 1,900,017.12 and 457,219.52

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Solution

The fourth proportional to 1,266,940.34, 1,900,017.12 and 457,219.52 is: 685,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,940.34 : 1,900,017.12 = 457,219.52 : x
  2. Step 2: Convert to fraction form
    1,266,940.34/1,900,017.12 = 457,219.52/x
  3. Step 3: Cross multiply
    1,266,940.34x = 1,900,017.12 × 457,219.52
  4. Step 4: Simplify right side
    1,266,940.34x = 868,724,915,598.18
  5. Step 5: Solve for x
    x = 868,724,915,598.18/1,266,940.34
  6. Step 6: Final answer
    x = 685,687.31

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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.