Home / 1,106,621.40-1,659,990.95-348,522.15

Finding the Fourth Proportional to 1,106,621.40, 1,659,990.95 and 348,522.15

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Solution

The fourth proportional to 1,106,621.40, 1,659,990.95 and 348,522.15 is: 522,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,621.40 : 1,659,990.95 = 348,522.15 : x
  2. Step 2: Convert to fraction form
    1,106,621.40/1,659,990.95 = 348,522.15/x
  3. Step 3: Cross multiply
    1,106,621.40x = 1,659,990.95 × 348,522.15
  4. Step 4: Simplify right side
    1,106,621.40x = 578,543,613,131.93
  5. Step 5: Solve for x
    x = 578,543,613,131.93/1,106,621.40
  6. Step 6: Final answer
    x = 522,801.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.