Home / 899,688.92-1,241,570.76-491,792.37

Finding the Fourth Proportional to 899,688.92, 1,241,570.76 and 491,792.37

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Solution

The fourth proportional to 899,688.92, 1,241,570.76 and 491,792.37 is: 678,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,688.92 : 1,241,570.76 = 491,792.37 : x
  2. Step 2: Convert to fraction form
    899,688.92/1,241,570.76 = 491,792.37/x
  3. Step 3: Cross multiply
    899,688.92x = 1,241,570.76 × 491,792.37
  4. Step 4: Simplify right side
    899,688.92x = 610,595,026,583.10
  5. Step 5: Solve for x
    x = 610,595,026,583.10/899,688.92
  6. Step 6: Final answer
    x = 678,673.50

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.