Home / 1,070,836.47-1,607,680.19-621,879.57

Finding the Fourth Proportional to 1,070,836.47, 1,607,680.19 and 621,879.57

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Solution

The fourth proportional to 1,070,836.47, 1,607,680.19 and 621,879.57 is: 933,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,836.47 : 1,607,680.19 = 621,879.57 : x
  2. Step 2: Convert to fraction form
    1,070,836.47/1,607,680.19 = 621,879.57/x
  3. Step 3: Cross multiply
    1,070,836.47x = 1,607,680.19 × 621,879.57
  4. Step 4: Simplify right side
    1,070,836.47x = 999,783,465,254.72
  5. Step 5: Solve for x
    x = 999,783,465,254.72/1,070,836.47
  6. Step 6: Final answer
    x = 933,647.19

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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.