Home / 1,248,327.40-1,872,951.90-406,906.60

Finding the Fourth Proportional to 1,248,327.40, 1,872,951.90 and 406,906.60

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Solution

The fourth proportional to 1,248,327.40, 1,872,951.90 and 406,906.60 is: 610,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,327.40 : 1,872,951.90 = 406,906.60 : x
  2. Step 2: Convert to fraction form
    1,248,327.40/1,872,951.90 = 406,906.60/x
  3. Step 3: Cross multiply
    1,248,327.40x = 1,872,951.90 × 406,906.60
  4. Step 4: Simplify right side
    1,248,327.40x = 762,116,489,592.54
  5. Step 5: Solve for x
    x = 762,116,489,592.54/1,248,327.40
  6. Step 6: Final answer
    x = 610,510.10

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1.5x scale

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.