Home / 608,821.95-912,962.97-324,459.50

Finding the Fourth Proportional to 608,821.95, 912,962.97 and 324,459.50

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Solution

The fourth proportional to 608,821.95, 912,962.97 and 324,459.50 is: 486,545.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,821.95 : 912,962.97 = 324,459.50 : x
  2. Step 2: Convert to fraction form
    608,821.95/912,962.97 = 324,459.50/x
  3. Step 3: Cross multiply
    608,821.95x = 912,962.97 × 324,459.50
  4. Step 4: Simplify right side
    608,821.95x = 296,219,508,764.72
  5. Step 5: Solve for x
    x = 296,219,508,764.72/608,821.95
  6. Step 6: Final answer
    x = 486,545.38

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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.