Home / 623,719.30-860,536.14-381,749.62

Finding the Fourth Proportional to 623,719.30, 860,536.14 and 381,749.62

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Solution

The fourth proportional to 623,719.30, 860,536.14 and 381,749.62 is: 526,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,719.30 : 860,536.14 = 381,749.62 : x
  2. Step 2: Convert to fraction form
    623,719.30/860,536.14 = 381,749.62/x
  3. Step 3: Cross multiply
    623,719.30x = 860,536.14 × 381,749.62
  4. Step 4: Simplify right side
    623,719.30x = 328,509,344,441.27
  5. Step 5: Solve for x
    x = 328,509,344,441.27/623,719.30
  6. Step 6: Final answer
    x = 526,694.21

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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.