Home / 1,186,348.98-1,637,191.55-727,716.45

Finding the Fourth Proportional to 1,186,348.98, 1,637,191.55 and 727,716.45

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Solution

The fourth proportional to 1,186,348.98, 1,637,191.55 and 727,716.45 is: 1,004,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,348.98 : 1,637,191.55 = 727,716.45 : x
  2. Step 2: Convert to fraction form
    1,186,348.98/1,637,191.55 = 727,716.45/x
  3. Step 3: Cross multiply
    1,186,348.98x = 1,637,191.55 × 727,716.45
  4. Step 4: Simplify right side
    1,186,348.98x = 1,191,411,222,736.00
  5. Step 5: Solve for x
    x = 1,191,411,222,736.00/1,186,348.98
  6. Step 6: Final answer
    x = 1,004,267.08

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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.