Home / 1,191,685.77-1,644,506.99-647,835.25

Finding the Fourth Proportional to 1,191,685.77, 1,644,506.99 and 647,835.25

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Solution

The fourth proportional to 1,191,685.77, 1,644,506.99 and 647,835.25 is: 894,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,685.77 : 1,644,506.99 = 647,835.25 : x
  2. Step 2: Convert to fraction form
    1,191,685.77/1,644,506.99 = 647,835.25/x
  3. Step 3: Cross multiply
    1,191,685.77x = 1,644,506.99 × 647,835.25
  4. Step 4: Simplify right side
    1,191,685.77x = 1,065,369,596,993.40
  5. Step 5: Solve for x
    x = 1,065,369,596,993.40/1,191,685.77
  6. Step 6: Final answer
    x = 894,002.11

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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.