Home / 1,368,656.80-2,054,151.60-611,663.20

Finding the Fourth Proportional to 1,368,656.80, 2,054,151.60 and 611,663.20

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Solution

The fourth proportional to 1,368,656.80, 2,054,151.60 and 611,663.20 is: 918,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,656.80 : 2,054,151.60 = 611,663.20 : x
  2. Step 2: Convert to fraction form
    1,368,656.80/2,054,151.60 = 611,663.20/x
  3. Step 3: Cross multiply
    1,368,656.80x = 2,054,151.60 × 611,663.20
  4. Step 4: Simplify right side
    1,368,656.80x = 1,256,448,940,941.12
  5. Step 5: Solve for x
    x = 1,256,448,940,941.12/1,368,656.80
  6. Step 6: Final answer
    x = 918,016.07

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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.