Home / 963,811.84-1,445,886.96-324,054.40

Finding the Fourth Proportional to 963,811.84, 1,445,886.96 and 324,054.40

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Solution

The fourth proportional to 963,811.84, 1,445,886.96 and 324,054.40 is: 486,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,811.84 : 1,445,886.96 = 324,054.40 : x
  2. Step 2: Convert to fraction form
    963,811.84/1,445,886.96 = 324,054.40/x
  3. Step 3: Cross multiply
    963,811.84x = 1,445,886.96 × 324,054.40
  4. Step 4: Simplify right side
    963,811.84x = 468,546,031,290.62
  5. Step 5: Solve for x
    x = 468,546,031,290.62/963,811.84
  6. Step 6: Final answer
    x = 486,138.49

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.