Home / 1,203,364.58-1,660,717.77-666,820.58

Finding the Fourth Proportional to 1,203,364.58, 1,660,717.77 and 666,820.58

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Solution

The fourth proportional to 1,203,364.58, 1,660,717.77 and 666,820.58 is: 920,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,364.58 : 1,660,717.77 = 666,820.58 : x
  2. Step 2: Convert to fraction form
    1,203,364.58/1,660,717.77 = 666,820.58/x
  3. Step 3: Cross multiply
    1,203,364.58x = 1,660,717.77 × 666,820.58
  4. Step 4: Simplify right side
    1,203,364.58x = 1,107,400,786,607.71
  5. Step 5: Solve for x
    x = 1,107,400,786,607.71/1,203,364.58
  6. Step 6: Final answer
    x = 920,253.77

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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.