Home / 1,137,090.04-1,569,321.88-647,178.68

Finding the Fourth Proportional to 1,137,090.04, 1,569,321.88 and 647,178.68

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Solution

The fourth proportional to 1,137,090.04, 1,569,321.88 and 647,178.68 is: 893,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,090.04 : 1,569,321.88 = 647,178.68 : x
  2. Step 2: Convert to fraction form
    1,137,090.04/1,569,321.88 = 647,178.68/x
  3. Step 3: Cross multiply
    1,137,090.04x = 1,569,321.88 × 647,178.68
  4. Step 4: Simplify right side
    1,137,090.04x = 1,015,631,662,793.52
  5. Step 5: Solve for x
    x = 1,015,631,662,793.52/1,137,090.04
  6. Step 6: Final answer
    x = 893,184.91

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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.