Home / 464,486.09-696,730.26-127,531.40

Finding the Fourth Proportional to 464,486.09, 696,730.26 and 127,531.40

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Solution

The fourth proportional to 464,486.09, 696,730.26 and 127,531.40 is: 191,297.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,486.09 : 696,730.26 = 127,531.40 : x
  2. Step 2: Convert to fraction form
    464,486.09/696,730.26 = 127,531.40/x
  3. Step 3: Cross multiply
    464,486.09x = 696,730.26 × 127,531.40
  4. Step 4: Simplify right side
    464,486.09x = 88,854,985,480.16
  5. Step 5: Solve for x
    x = 88,854,985,480.16/464,486.09
  6. Step 6: Final answer
    x = 191,297.41

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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.