Home / 887,171.79-1,329,807.39-633,683.51

Finding the Fourth Proportional to 887,171.79, 1,329,807.39 and 633,683.51

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Solution

The fourth proportional to 887,171.79, 1,329,807.39 and 633,683.51 is: 949,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,171.79 : 1,329,807.39 = 633,683.51 : x
  2. Step 2: Convert to fraction form
    887,171.79/1,329,807.39 = 633,683.51/x
  3. Step 3: Cross multiply
    887,171.79x = 1,329,807.39 × 633,683.51
  4. Step 4: Simplify right side
    887,171.79x = 842,677,014,519.14
  5. Step 5: Solve for x
    x = 842,677,014,519.14/887,171.79
  6. Step 6: Final answer
    x = 949,846.49

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Double scale
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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.