Home / 1,377,483.57-1,900,835.10-765,596.61

Finding the Fourth Proportional to 1,377,483.57, 1,900,835.10 and 765,596.61

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Solution

The fourth proportional to 1,377,483.57, 1,900,835.10 and 765,596.61 is: 1,056,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,483.57 : 1,900,835.10 = 765,596.61 : x
  2. Step 2: Convert to fraction form
    1,377,483.57/1,900,835.10 = 765,596.61/x
  3. Step 3: Cross multiply
    1,377,483.57x = 1,900,835.10 × 765,596.61
  4. Step 4: Simplify right side
    1,377,483.57x = 1,455,272,908,729.01
  5. Step 5: Solve for x
    x = 1,455,272,908,729.01/1,377,483.57
  6. Step 6: Final answer
    x = 1,056,472.06

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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.