Home / 623,716.22-860,531.91-381,746.54

Finding the Fourth Proportional to 623,716.22, 860,531.91 and 381,746.54

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Solution

The fourth proportional to 623,716.22, 860,531.91 and 381,746.54 is: 526,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,716.22 : 860,531.91 = 381,746.54 : x
  2. Step 2: Convert to fraction form
    623,716.22/860,531.91 = 381,746.54/x
  3. Step 3: Cross multiply
    623,716.22x = 860,531.91 × 381,746.54
  4. Step 4: Simplify right side
    623,716.22x = 328,505,077,293.36
  5. Step 5: Solve for x
    x = 328,505,077,293.36/623,716.22
  6. Step 6: Final answer
    x = 526,689.97

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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.