Home / 1,176,615.15-1,623,660.64-660,320.82

Finding the Fourth Proportional to 1,176,615.15, 1,623,660.64 and 660,320.82

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Solution

The fourth proportional to 1,176,615.15, 1,623,660.64 and 660,320.82 is: 911,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,615.15 : 1,623,660.64 = 660,320.82 : x
  2. Step 2: Convert to fraction form
    1,176,615.15/1,623,660.64 = 660,320.82/x
  3. Step 3: Cross multiply
    1,176,615.15x = 1,623,660.64 × 660,320.82
  4. Step 4: Simplify right side
    1,176,615.15x = 1,072,136,927,270.03
  5. Step 5: Solve for x
    x = 1,072,136,927,270.03/1,176,615.15
  6. Step 6: Final answer
    x = 911,204.42

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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.