Home / 623,222.73-859,856.18-381,253.05

Finding the Fourth Proportional to 623,222.73, 859,856.18 and 381,253.05

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Solution

The fourth proportional to 623,222.73, 859,856.18 and 381,253.05 is: 526,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,222.73 : 859,856.18 = 381,253.05 : x
  2. Step 2: Convert to fraction form
    623,222.73/859,856.18 = 381,253.05/x
  3. Step 3: Cross multiply
    623,222.73x = 859,856.18 × 381,253.05
  4. Step 4: Simplify right side
    623,222.73x = 327,822,789,280.08
  5. Step 5: Solve for x
    x = 327,822,789,280.08/623,222.73
  6. Step 6: Final answer
    x = 526,012.25

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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.