Home / 1,040,054.40-1,556,971.20-619,113.60

Finding the Fourth Proportional to 1,040,054.40, 1,556,971.20 and 619,113.60

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Solution

The fourth proportional to 1,040,054.40, 1,556,971.20 and 619,113.60 is: 926,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,054.40 : 1,556,971.20 = 619,113.60 : x
  2. Step 2: Convert to fraction form
    1,040,054.40/1,556,971.20 = 619,113.60/x
  3. Step 3: Cross multiply
    1,040,054.40x = 1,556,971.20 × 619,113.60
  4. Step 4: Simplify right side
    1,040,054.40x = 963,942,044,728.32
  5. Step 5: Solve for x
    x = 963,942,044,728.32/1,040,054.40
  6. Step 6: Final answer
    x = 926,818.87

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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.