Home / 1,282,758.60-1,924,801.80-930,678.60

Finding the Fourth Proportional to 1,282,758.60, 1,924,801.80 and 930,678.60

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Solution

The fourth proportional to 1,282,758.60, 1,924,801.80 and 930,678.60 is: 1,396,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,758.60 : 1,924,801.80 = 930,678.60 : x
  2. Step 2: Convert to fraction form
    1,282,758.60/1,924,801.80 = 930,678.60/x
  3. Step 3: Cross multiply
    1,282,758.60x = 1,924,801.80 × 930,678.60
  4. Step 4: Simplify right side
    1,282,758.60x = 1,791,371,844,501.48
  5. Step 5: Solve for x
    x = 1,791,371,844,501.48/1,282,758.60
  6. Step 6: Final answer
    x = 1,396,499.58

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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.