Home / 1,606,455.60-2,216,767.53-917,990.83

Finding the Fourth Proportional to 1,606,455.60, 2,216,767.53 and 917,990.83

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Solution

The fourth proportional to 1,606,455.60, 2,216,767.53 and 917,990.83 is: 1,266,746.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,455.60 : 2,216,767.53 = 917,990.83 : x
  2. Step 2: Convert to fraction form
    1,606,455.60/2,216,767.53 = 917,990.83/x
  3. Step 3: Cross multiply
    1,606,455.60x = 2,216,767.53 × 917,990.83
  4. Step 4: Simplify right side
    1,606,455.60x = 2,034,972,264,781.75
  5. Step 5: Solve for x
    x = 2,034,972,264,781.75/1,606,455.60
  6. Step 6: Final answer
    x = 1,266,746.66

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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.