Home / 1,129,066.74-1,558,092.56-612,809.56

Finding the Fourth Proportional to 1,129,066.74, 1,558,092.56 and 612,809.56

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Solution

The fourth proportional to 1,129,066.74, 1,558,092.56 and 612,809.56 is: 845,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,066.74 : 1,558,092.56 = 612,809.56 : x
  2. Step 2: Convert to fraction form
    1,129,066.74/1,558,092.56 = 612,809.56/x
  3. Step 3: Cross multiply
    1,129,066.74x = 1,558,092.56 × 612,809.56
  4. Step 4: Simplify right side
    1,129,066.74x = 954,814,010,437.06
  5. Step 5: Solve for x
    x = 954,814,010,437.06/1,129,066.74
  6. Step 6: Final answer
    x = 845,666.58

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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.