Home / 1,014,732.10-1,399,799.40-627,423.72

Finding the Fourth Proportional to 1,014,732.10, 1,399,799.40 and 627,423.72

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Solution

The fourth proportional to 1,014,732.10, 1,399,799.40 and 627,423.72 is: 865,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,732.10 : 1,399,799.40 = 627,423.72 : x
  2. Step 2: Convert to fraction form
    1,014,732.10/1,399,799.40 = 627,423.72/x
  3. Step 3: Cross multiply
    1,014,732.10x = 1,399,799.40 × 627,423.72
  4. Step 4: Simplify right side
    1,014,732.10x = 878,267,346,801.77
  5. Step 5: Solve for x
    x = 878,267,346,801.77/1,014,732.10
  6. Step 6: Final answer
    x = 865,516.47

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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.