Home / 821,708.40-1,232,562.60-551,103.60

Finding the Fourth Proportional to 821,708.40, 1,232,562.60 and 551,103.60

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Solution

The fourth proportional to 821,708.40, 1,232,562.60 and 551,103.60 is: 826,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,708.40 : 1,232,562.60 = 551,103.60 : x
  2. Step 2: Convert to fraction form
    821,708.40/1,232,562.60 = 551,103.60/x
  3. Step 3: Cross multiply
    821,708.40x = 1,232,562.60 × 551,103.60
  4. Step 4: Simplify right side
    821,708.40x = 679,269,686,085.36
  5. Step 5: Solve for x
    x = 679,269,686,085.36/821,708.40
  6. Step 6: Final answer
    x = 826,655.40

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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.