Home / 979,920.05-1,352,327.60-544,370.39

Finding the Fourth Proportional to 979,920.05, 1,352,327.60 and 544,370.39

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Solution

The fourth proportional to 979,920.05, 1,352,327.60 and 544,370.39 is: 751,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,920.05 : 1,352,327.60 = 544,370.39 : x
  2. Step 2: Convert to fraction form
    979,920.05/1,352,327.60 = 544,370.39/x
  3. Step 3: Cross multiply
    979,920.05x = 1,352,327.60 × 544,370.39
  4. Step 4: Simplify right side
    979,920.05x = 736,167,103,019.76
  5. Step 5: Solve for x
    x = 736,167,103,019.76/979,920.05
  6. Step 6: Final answer
    x = 751,252.21

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1.5x scale

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.