Home / 1,228,269.60-1,842,663.60-386,906.40

Finding the Fourth Proportional to 1,228,269.60, 1,842,663.60 and 386,906.40

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Solution

The fourth proportional to 1,228,269.60, 1,842,663.60 and 386,906.40 is: 580,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,269.60 : 1,842,663.60 = 386,906.40 : x
  2. Step 2: Convert to fraction form
    1,228,269.60/1,842,663.60 = 386,906.40/x
  3. Step 3: Cross multiply
    1,228,269.60x = 1,842,663.60 × 386,906.40
  4. Step 4: Simplify right side
    1,228,269.60x = 712,938,339,887.04
  5. Step 5: Solve for x
    x = 712,938,339,887.04/1,228,269.60
  6. Step 6: Final answer
    x = 580,441.25

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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.