Home / 778,624.41-1,074,527.45-451,912.92

Finding the Fourth Proportional to 778,624.41, 1,074,527.45 and 451,912.92

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Solution

The fourth proportional to 778,624.41, 1,074,527.45 and 451,912.92 is: 623,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,624.41 : 1,074,527.45 = 451,912.92 : x
  2. Step 2: Convert to fraction form
    778,624.41/1,074,527.45 = 451,912.92/x
  3. Step 3: Cross multiply
    778,624.41x = 1,074,527.45 × 451,912.92
  4. Step 4: Simplify right side
    778,624.41x = 485,592,841,541.51
  5. Step 5: Solve for x
    x = 485,592,841,541.51/778,624.41
  6. Step 6: Final answer
    x = 623,654.79

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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.