Home / 823,909.60-1,235,864.40-646,962.40

Finding the Fourth Proportional to 823,909.60, 1,235,864.40 and 646,962.40

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Solution

The fourth proportional to 823,909.60, 1,235,864.40 and 646,962.40 is: 970,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,909.60 : 1,235,864.40 = 646,962.40 : x
  2. Step 2: Convert to fraction form
    823,909.60/1,235,864.40 = 646,962.40/x
  3. Step 3: Cross multiply
    823,909.60x = 1,235,864.40 × 646,962.40
  4. Step 4: Simplify right side
    823,909.60x = 799,557,798,298.56
  5. Step 5: Solve for x
    x = 799,557,798,298.56/823,909.60
  6. Step 6: Final answer
    x = 970,443.60

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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.