Home / 623,225.23-859,859.62-381,255.55

Finding the Fourth Proportional to 623,225.23, 859,859.62 and 381,255.55

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Solution

The fourth proportional to 623,225.23, 859,859.62 and 381,255.55 is: 526,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,225.23 : 859,859.62 = 381,255.55 : x
  2. Step 2: Convert to fraction form
    623,225.23/859,859.62 = 381,255.55/x
  3. Step 3: Cross multiply
    623,225.23x = 859,859.62 × 381,255.55
  4. Step 4: Simplify right side
    623,225.23x = 327,826,252,345.89
  5. Step 5: Solve for x
    x = 327,826,252,345.89/623,225.23
  6. Step 6: Final answer
    x = 526,015.69

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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.