Home / 774,252.54-1,068,369.48-451,888.74

Finding the Fourth Proportional to 774,252.54, 1,068,369.48 and 451,888.74

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Solution

The fourth proportional to 774,252.54, 1,068,369.48 and 451,888.74 is: 623,548.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,252.54 : 1,068,369.48 = 451,888.74 : x
  2. Step 2: Convert to fraction form
    774,252.54/1,068,369.48 = 451,888.74/x
  3. Step 3: Cross multiply
    774,252.54x = 1,068,369.48 × 451,888.74
  4. Step 4: Simplify right side
    774,252.54x = 482,784,138,171.66
  5. Step 5: Solve for x
    x = 482,784,138,171.66/774,252.54
  6. Step 6: Final answer
    x = 623,548.67

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Double scale
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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.