Home / 1,686,056.13-2,326,759.28-922,111.51

Finding the Fourth Proportional to 1,686,056.13, 2,326,759.28 and 922,111.51

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Solution

The fourth proportional to 1,686,056.13, 2,326,759.28 and 922,111.51 is: 1,272,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,056.13 : 2,326,759.28 = 922,111.51 : x
  2. Step 2: Convert to fraction form
    1,686,056.13/2,326,759.28 = 922,111.51/x
  3. Step 3: Cross multiply
    1,686,056.13x = 2,326,759.28 × 922,111.51
  4. Step 4: Simplify right side
    1,686,056.13x = 2,145,531,513,087.31
  5. Step 5: Solve for x
    x = 2,145,531,513,087.31/1,686,056.13
  6. Step 6: Final answer
    x = 1,272,514.88

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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.