Home / 913,343.14-1,369,674.87-314,136.10

Finding the Fourth Proportional to 913,343.14, 1,369,674.87 and 314,136.10

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Solution

The fourth proportional to 913,343.14, 1,369,674.87 and 314,136.10 is: 471,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,343.14 : 1,369,674.87 = 314,136.10 : x
  2. Step 2: Convert to fraction form
    913,343.14/1,369,674.87 = 314,136.10/x
  3. Step 3: Cross multiply
    913,343.14x = 1,369,674.87 × 314,136.10
  4. Step 4: Simplify right side
    913,343.14x = 430,264,321,929.81
  5. Step 5: Solve for x
    x = 430,264,321,929.81/913,343.14
  6. Step 6: Final answer
    x = 471,087.27

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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.