Home / 1,228,164.60-1,842,506.10-386,801.40

Finding the Fourth Proportional to 1,228,164.60, 1,842,506.10 and 386,801.40

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Solution

The fourth proportional to 1,228,164.60, 1,842,506.10 and 386,801.40 is: 580,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,164.60 : 1,842,506.10 = 386,801.40 : x
  2. Step 2: Convert to fraction form
    1,228,164.60/1,842,506.10 = 386,801.40/x
  3. Step 3: Cross multiply
    1,228,164.60x = 1,842,506.10 × 386,801.40
  4. Step 4: Simplify right side
    1,228,164.60x = 712,683,938,988.54
  5. Step 5: Solve for x
    x = 712,683,938,988.54/1,228,164.60
  6. Step 6: Final answer
    x = 580,283.73

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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.