Home / 875,357.55-1,208,989.86-588,379.41

Finding the Fourth Proportional to 875,357.55, 1,208,989.86 and 588,379.41

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Solution

The fourth proportional to 875,357.55, 1,208,989.86 and 588,379.41 is: 812,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,357.55 : 1,208,989.86 = 588,379.41 : x
  2. Step 2: Convert to fraction form
    875,357.55/1,208,989.86 = 588,379.41/x
  3. Step 3: Cross multiply
    875,357.55x = 1,208,989.86 × 588,379.41
  4. Step 4: Simplify right side
    875,357.55x = 711,344,740,522.78
  5. Step 5: Solve for x
    x = 711,344,740,522.78/875,357.55
  6. Step 6: Final answer
    x = 812,633.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.