Home / 964,078.80-1,447,673.40-727,688.40

Finding the Fourth Proportional to 964,078.80, 1,447,673.40 and 727,688.40

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Solution

The fourth proportional to 964,078.80, 1,447,673.40 and 727,688.40 is: 1,092,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,078.80 : 1,447,673.40 = 727,688.40 : x
  2. Step 2: Convert to fraction form
    964,078.80/1,447,673.40 = 727,688.40/x
  3. Step 3: Cross multiply
    964,078.80x = 1,447,673.40 × 727,688.40
  4. Step 4: Simplify right side
    964,078.80x = 1,053,455,140,168.56
  5. Step 5: Solve for x
    x = 1,053,455,140,168.56/964,078.80
  6. Step 6: Final answer
    x = 1,092,706.47

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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.