Home / 1,387,918.94-2,079,500.04-931,656.06

Finding the Fourth Proportional to 1,387,918.94, 2,079,500.04 and 931,656.06

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Solution

The fourth proportional to 1,387,918.94, 2,079,500.04 and 931,656.06 is: 1,395,887.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,918.94 : 2,079,500.04 = 931,656.06 : x
  2. Step 2: Convert to fraction form
    1,387,918.94/2,079,500.04 = 931,656.06/x
  3. Step 3: Cross multiply
    1,387,918.94x = 2,079,500.04 × 931,656.06
  4. Step 4: Simplify right side
    1,387,918.94x = 1,937,378,814,036.24
  5. Step 5: Solve for x
    x = 1,937,378,814,036.24/1,387,918.94
  6. Step 6: Final answer
    x = 1,395,887.58

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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.