Home / 1,147,965.88-1,584,192.90-638,668.12

Finding the Fourth Proportional to 1,147,965.88, 1,584,192.90 and 638,668.12

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Solution

The fourth proportional to 1,147,965.88, 1,584,192.90 and 638,668.12 is: 881,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,965.88 : 1,584,192.90 = 638,668.12 : x
  2. Step 2: Convert to fraction form
    1,147,965.88/1,584,192.90 = 638,668.12/x
  3. Step 3: Cross multiply
    1,147,965.88x = 1,584,192.90 × 638,668.12
  4. Step 4: Simplify right side
    1,147,965.88x = 1,011,773,501,160.35
  5. Step 5: Solve for x
    x = 1,011,773,501,160.35/1,147,965.88
  6. Step 6: Final answer
    x = 881,362.00

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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.