Home / 1,178,043.69-1,625,523.20-661,698.70

Finding the Fourth Proportional to 1,178,043.69, 1,625,523.20 and 661,698.70

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Solution

The fourth proportional to 1,178,043.69, 1,625,523.20 and 661,698.70 is: 913,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,043.69 : 1,625,523.20 = 661,698.70 : x
  2. Step 2: Convert to fraction form
    1,178,043.69/1,625,523.20 = 661,698.70/x
  3. Step 3: Cross multiply
    1,178,043.69x = 1,625,523.20 × 661,698.70
  4. Step 4: Simplify right side
    1,178,043.69x = 1,075,606,583,368.91
  5. Step 5: Solve for x
    x = 1,075,606,583,368.91/1,178,043.69
  6. Step 6: Final answer
    x = 913,044.73

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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.