Home / 744,058.90-1,115,202.21-518,196.48

Finding the Fourth Proportional to 744,058.90, 1,115,202.21 and 518,196.48

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Solution

The fourth proportional to 744,058.90, 1,115,202.21 and 518,196.48 is: 776,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,058.90 : 1,115,202.21 = 518,196.48 : x
  2. Step 2: Convert to fraction form
    744,058.90/1,115,202.21 = 518,196.48/x
  3. Step 3: Cross multiply
    744,058.90x = 1,115,202.21 × 518,196.48
  4. Step 4: Simplify right side
    744,058.90x = 577,893,859,710.22
  5. Step 5: Solve for x
    x = 577,893,859,710.22/744,058.90
  6. Step 6: Final answer
    x = 776,677.57

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1.5x scale

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.