Home / 1,340,701.66-2,011,708.05-630,800.38

Finding the Fourth Proportional to 1,340,701.66, 2,011,708.05 and 630,800.38

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Solution

The fourth proportional to 1,340,701.66, 2,011,708.05 and 630,800.38 is: 946,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,701.66 : 2,011,708.05 = 630,800.38 : x
  2. Step 2: Convert to fraction form
    1,340,701.66/2,011,708.05 = 630,800.38/x
  3. Step 3: Cross multiply
    1,340,701.66x = 2,011,708.05 × 630,800.38
  4. Step 4: Simplify right side
    1,340,701.66x = 1,268,986,202,389.06
  5. Step 5: Solve for x
    x = 1,268,986,202,389.06/1,340,701.66
  6. Step 6: Final answer
    x = 946,509.01

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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.