Home / 1,176,424.61-1,623,465.81-667,126.98

Finding the Fourth Proportional to 1,176,424.61, 1,623,465.81 and 667,126.98

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Solution

The fourth proportional to 1,176,424.61, 1,623,465.81 and 667,126.98 is: 920,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,424.61 : 1,623,465.81 = 667,126.98 : x
  2. Step 2: Convert to fraction form
    1,176,424.61/1,623,465.81 = 667,126.98/x
  3. Step 3: Cross multiply
    1,176,424.61x = 1,623,465.81 × 667,126.98
  4. Step 4: Simplify right side
    1,176,424.61x = 1,083,057,842,958.55
  5. Step 5: Solve for x
    x = 1,083,057,842,958.55/1,176,424.61
  6. Step 6: Final answer
    x = 920,635.15

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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.