Home / 1,156,623.20-1,596,139.80-647,325.58

Finding the Fourth Proportional to 1,156,623.20, 1,596,139.80 and 647,325.58

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Solution

The fourth proportional to 1,156,623.20, 1,596,139.80 and 647,325.58 is: 893,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,623.20 : 1,596,139.80 = 647,325.58 : x
  2. Step 2: Convert to fraction form
    1,156,623.20/1,596,139.80 = 647,325.58/x
  3. Step 3: Cross multiply
    1,156,623.20x = 1,596,139.80 × 647,325.58
  4. Step 4: Simplify right side
    1,156,623.20x = 1,033,222,121,796.08
  5. Step 5: Solve for x
    x = 1,033,222,121,796.08/1,156,623.20
  6. Step 6: Final answer
    x = 893,309.18

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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.