Home / 1,606,276.94-2,216,621.60-917,905.04

Finding the Fourth Proportional to 1,606,276.94, 2,216,621.60 and 917,905.04

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Solution

The fourth proportional to 1,606,276.94, 2,216,621.60 and 917,905.04 is: 1,266,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,276.94 : 2,216,621.60 = 917,905.04 : x
  2. Step 2: Convert to fraction form
    1,606,276.94/2,216,621.60 = 917,905.04/x
  3. Step 3: Cross multiply
    1,606,276.94x = 2,216,621.60 × 917,905.04
  4. Step 4: Simplify right side
    1,606,276.94x = 2,034,648,138,412.86
  5. Step 5: Solve for x
    x = 2,034,648,138,412.86/1,606,276.94
  6. Step 6: Final answer
    x = 1,266,685.77

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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.