Home / 623,749.44-860,789.88-382,165.20

Finding the Fourth Proportional to 623,749.44, 860,789.88 and 382,165.20

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Solution

The fourth proportional to 623,749.44, 860,789.88 and 382,165.20 is: 527,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,749.44 : 860,789.88 = 382,165.20 : x
  2. Step 2: Convert to fraction form
    623,749.44/860,789.88 = 382,165.20/x
  3. Step 3: Cross multiply
    623,749.44x = 860,789.88 × 382,165.20
  4. Step 4: Simplify right side
    623,749.44x = 328,963,936,648.18
  5. Step 5: Solve for x
    x = 328,963,936,648.18/623,749.44
  6. Step 6: Final answer
    x = 527,397.57

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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.