Home / 1,653,399.61-2,480,219.70-692,891.08

Finding the Fourth Proportional to 1,653,399.61, 2,480,219.70 and 692,891.08

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Solution

The fourth proportional to 1,653,399.61, 2,480,219.70 and 692,891.08 is: 1,039,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,399.61 : 2,480,219.70 = 692,891.08 : x
  2. Step 2: Convert to fraction form
    1,653,399.61/2,480,219.70 = 692,891.08/x
  3. Step 3: Cross multiply
    1,653,399.61x = 2,480,219.70 × 692,891.08
  4. Step 4: Simplify right side
    1,653,399.61x = 1,718,522,097,771.39
  5. Step 5: Solve for x
    x = 1,718,522,097,771.39/1,653,399.61
  6. Step 6: Final answer
    x = 1,039,387.02

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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.