Home / 1,282,474.60-1,923,258.30-440,830.60

Finding the Fourth Proportional to 1,282,474.60, 1,923,258.30 and 440,830.60

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Solution

The fourth proportional to 1,282,474.60, 1,923,258.30 and 440,830.60 is: 661,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,474.60 : 1,923,258.30 = 440,830.60 : x
  2. Step 2: Convert to fraction form
    1,282,474.60/1,923,258.30 = 440,830.60/x
  3. Step 3: Cross multiply
    1,282,474.60x = 1,923,258.30 × 440,830.60
  4. Step 4: Simplify right side
    1,282,474.60x = 847,831,110,343.98
  5. Step 5: Solve for x
    x = 847,831,110,343.98/1,282,474.60
  6. Step 6: Final answer
    x = 661,089.98

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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.