Home / 1,356,011.28-2,034,345.78-409,325.40

Finding the Fourth Proportional to 1,356,011.28, 2,034,345.78 and 409,325.40

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Solution

The fourth proportional to 1,356,011.28, 2,034,345.78 and 409,325.40 is: 614,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,011.28 : 2,034,345.78 = 409,325.40 : x
  2. Step 2: Convert to fraction form
    1,356,011.28/2,034,345.78 = 409,325.40/x
  3. Step 3: Cross multiply
    1,356,011.28x = 2,034,345.78 × 409,325.40
  4. Step 4: Simplify right side
    1,356,011.28x = 832,709,400,136.81
  5. Step 5: Solve for x
    x = 832,709,400,136.81/1,356,011.28
  6. Step 6: Final answer
    x = 614,087.37

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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.