Home / 1,129,700.14-1,558,980.56-613,449.43

Finding the Fourth Proportional to 1,129,700.14, 1,558,980.56 and 613,449.43

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Solution

The fourth proportional to 1,129,700.14, 1,558,980.56 and 613,449.43 is: 846,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,700.14 : 1,558,980.56 = 613,449.43 : x
  2. Step 2: Convert to fraction form
    1,129,700.14/1,558,980.56 = 613,449.43/x
  3. Step 3: Cross multiply
    1,129,700.14x = 1,558,980.56 × 613,449.43
  4. Step 4: Simplify right side
    1,129,700.14x = 956,355,732,845.83
  5. Step 5: Solve for x
    x = 956,355,732,845.83/1,129,700.14
  6. Step 6: Final answer
    x = 846,557.15

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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.