Home / 947,064.45-1,306,900.20-517,261.55

Finding the Fourth Proportional to 947,064.45, 1,306,900.20 and 517,261.55

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Solution

The fourth proportional to 947,064.45, 1,306,900.20 and 517,261.55 is: 713,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,064.45 : 1,306,900.20 = 517,261.55 : x
  2. Step 2: Convert to fraction form
    947,064.45/1,306,900.20 = 517,261.55/x
  3. Step 3: Cross multiply
    947,064.45x = 1,306,900.20 × 517,261.55
  4. Step 4: Simplify right side
    947,064.45x = 676,009,218,552.54
  5. Step 5: Solve for x
    x = 676,009,218,552.54/947,064.45
  6. Step 6: Final answer
    x = 713,794.31

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1.5x scale

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.