Home / 1,529,014.19-2,109,994.94-840,685.32

Finding the Fourth Proportional to 1,529,014.19, 2,109,994.94 and 840,685.32

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Solution

The fourth proportional to 1,529,014.19, 2,109,994.94 and 840,685.32 is: 1,160,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,014.19 : 2,109,994.94 = 840,685.32 : x
  2. Step 2: Convert to fraction form
    1,529,014.19/2,109,994.94 = 840,685.32/x
  3. Step 3: Cross multiply
    1,529,014.19x = 2,109,994.94 × 840,685.32
  4. Step 4: Simplify right side
    1,529,014.19x = 1,773,841,773,433.99
  5. Step 5: Solve for x
    x = 1,773,841,773,433.99/1,529,014.19
  6. Step 6: Final answer
    x = 1,160,121.20

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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.