Home / 1,127,475.77-1,691,033.60-328,570.43

Finding the Fourth Proportional to 1,127,475.77, 1,691,033.60 and 328,570.43

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Solution

The fourth proportional to 1,127,475.77, 1,691,033.60 and 328,570.43 is: 492,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,475.77 : 1,691,033.60 = 328,570.43 : x
  2. Step 2: Convert to fraction form
    1,127,475.77/1,691,033.60 = 328,570.43/x
  3. Step 3: Cross multiply
    1,127,475.77x = 1,691,033.60 × 328,570.43
  4. Step 4: Simplify right side
    1,127,475.77x = 555,623,629,462.71
  5. Step 5: Solve for x
    x = 555,623,629,462.71/1,127,475.77
  6. Step 6: Final answer
    x = 492,803.17

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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.