Home / 883,909.80-1,325,864.70-322,871.40

Finding the Fourth Proportional to 883,909.80, 1,325,864.70 and 322,871.40

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Solution

The fourth proportional to 883,909.80, 1,325,864.70 and 322,871.40 is: 484,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,909.80 : 1,325,864.70 = 322,871.40 : x
  2. Step 2: Convert to fraction form
    883,909.80/1,325,864.70 = 322,871.40/x
  3. Step 3: Cross multiply
    883,909.80x = 1,325,864.70 × 322,871.40
  4. Step 4: Simplify right side
    883,909.80x = 428,083,791,899.58
  5. Step 5: Solve for x
    x = 428,083,791,899.58/883,909.80
  6. Step 6: Final answer
    x = 484,307.10

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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.