Home / 828,434.96-1,241,864.40-528,072.20

Finding the Fourth Proportional to 828,434.96, 1,241,864.40 and 528,072.20

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Solution

The fourth proportional to 828,434.96, 1,241,864.40 and 528,072.20 is: 791,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,434.96 : 1,241,864.40 = 528,072.20 : x
  2. Step 2: Convert to fraction form
    828,434.96/1,241,864.40 = 528,072.20/x
  3. Step 3: Cross multiply
    828,434.96x = 1,241,864.40 × 528,072.20
  4. Step 4: Simplify right side
    828,434.96x = 655,794,065,809.68
  5. Step 5: Solve for x
    x = 655,794,065,809.68/828,434.96
  6. Step 6: Final answer
    x = 791,605.98

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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.