Home / 724,221.60-1,087,498.80-546,928.80

Finding the Fourth Proportional to 724,221.60, 1,087,498.80 and 546,928.80

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Solution

The fourth proportional to 724,221.60, 1,087,498.80 and 546,928.80 is: 821,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,221.60 : 1,087,498.80 = 546,928.80 : x
  2. Step 2: Convert to fraction form
    724,221.60/1,087,498.80 = 546,928.80/x
  3. Step 3: Cross multiply
    724,221.60x = 1,087,498.80 × 546,928.80
  4. Step 4: Simplify right side
    724,221.60x = 594,784,413,685.44
  5. Step 5: Solve for x
    x = 594,784,413,685.44/724,221.60
  6. Step 6: Final answer
    x = 821,274.06

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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.