Home / 1,681,687.59-2,320,728.27-917,741.16

Finding the Fourth Proportional to 1,681,687.59, 2,320,728.27 and 917,741.16

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Solution

The fourth proportional to 1,681,687.59, 2,320,728.27 and 917,741.16 is: 1,266,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,687.59 : 2,320,728.27 = 917,741.16 : x
  2. Step 2: Convert to fraction form
    1,681,687.59/2,320,728.27 = 917,741.16/x
  3. Step 3: Cross multiply
    1,681,687.59x = 2,320,728.27 × 917,741.16
  4. Step 4: Simplify right side
    1,681,687.59x = 2,129,827,854,554.59
  5. Step 5: Solve for x
    x = 2,129,827,854,554.59/1,681,687.59
  6. Step 6: Final answer
    x = 1,266,482.47

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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.