Home / 1,200,741.36-1,656,860.76-684,561.84

Finding the Fourth Proportional to 1,200,741.36, 1,656,860.76 and 684,561.84

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Solution

The fourth proportional to 1,200,741.36, 1,656,860.76 and 684,561.84 is: 944,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,741.36 : 1,656,860.76 = 684,561.84 : x
  2. Step 2: Convert to fraction form
    1,200,741.36/1,656,860.76 = 684,561.84/x
  3. Step 3: Cross multiply
    1,200,741.36x = 1,656,860.76 × 684,561.84
  4. Step 4: Simplify right side
    1,200,741.36x = 1,134,223,650,489.40
  5. Step 5: Solve for x
    x = 1,134,223,650,489.40/1,200,741.36
  6. Step 6: Final answer
    x = 944,602.80

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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.