Home / 1,187,772.83-1,639,762.48-929,100.19

Finding the Fourth Proportional to 1,187,772.83, 1,639,762.48 and 929,100.19

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Solution

The fourth proportional to 1,187,772.83, 1,639,762.48 and 929,100.19 is: 1,282,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,772.83 : 1,639,762.48 = 929,100.19 : x
  2. Step 2: Convert to fraction form
    1,187,772.83/1,639,762.48 = 929,100.19/x
  3. Step 3: Cross multiply
    1,187,772.83x = 1,639,762.48 × 929,100.19
  4. Step 4: Simplify right side
    1,187,772.83x = 1,523,503,631,859.39
  5. Step 5: Solve for x
    x = 1,523,503,631,859.39/1,187,772.83
  6. Step 6: Final answer
    x = 1,282,655.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.