Home / 1,705,646.28-2,352,860.28-1,188,581.16

Finding the Fourth Proportional to 1,705,646.28, 2,352,860.28 and 1,188,581.16

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Solution

The fourth proportional to 1,705,646.28, 2,352,860.28 and 1,188,581.16 is: 1,639,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,646.28 : 2,352,860.28 = 1,188,581.16 : x
  2. Step 2: Convert to fraction form
    1,705,646.28/2,352,860.28 = 1,188,581.16/x
  3. Step 3: Cross multiply
    1,705,646.28x = 2,352,860.28 × 1,188,581.16
  4. Step 4: Simplify right side
    1,705,646.28x = 2,796,565,400,920.32
  5. Step 5: Solve for x
    x = 2,796,565,400,920.32/1,705,646.28
  6. Step 6: Final answer
    x = 1,639,592.82

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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.