Home / 1,118,620.40-1,677,930.60-370,569.20

Finding the Fourth Proportional to 1,118,620.40, 1,677,930.60 and 370,569.20

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Solution

The fourth proportional to 1,118,620.40, 1,677,930.60 and 370,569.20 is: 555,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,620.40 : 1,677,930.60 = 370,569.20 : x
  2. Step 2: Convert to fraction form
    1,118,620.40/1,677,930.60 = 370,569.20/x
  3. Step 3: Cross multiply
    1,118,620.40x = 1,677,930.60 × 370,569.20
  4. Step 4: Simplify right side
    1,118,620.40x = 621,789,400,097.52
  5. Step 5: Solve for x
    x = 621,789,400,097.52/1,118,620.40
  6. Step 6: Final answer
    x = 555,853.80

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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.