Home / 905,799.21-1,250,281.49-583,508.31

Finding the Fourth Proportional to 905,799.21, 1,250,281.49 and 583,508.31

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Solution

The fourth proportional to 905,799.21, 1,250,281.49 and 583,508.31 is: 805,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,799.21 : 1,250,281.49 = 583,508.31 : x
  2. Step 2: Convert to fraction form
    905,799.21/1,250,281.49 = 583,508.31/x
  3. Step 3: Cross multiply
    905,799.21x = 1,250,281.49 × 583,508.31
  4. Step 4: Simplify right side
    905,799.21x = 729,549,636,336.64
  5. Step 5: Solve for x
    x = 729,549,636,336.64/905,799.21
  6. Step 6: Final answer
    x = 805,420.92

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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.