Home / 1,643,645.80-2,465,468.70-926,200.45

Finding the Fourth Proportional to 1,643,645.80, 2,465,468.70 and 926,200.45

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Solution

The fourth proportional to 1,643,645.80, 2,465,468.70 and 926,200.45 is: 1,389,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,645.80 : 2,465,468.70 = 926,200.45 : x
  2. Step 2: Convert to fraction form
    1,643,645.80/2,465,468.70 = 926,200.45/x
  3. Step 3: Cross multiply
    1,643,645.80x = 2,465,468.70 × 926,200.45
  4. Step 4: Simplify right side
    1,643,645.80x = 2,283,518,219,400.92
  5. Step 5: Solve for x
    x = 2,283,518,219,400.92/1,643,645.80
  6. Step 6: Final answer
    x = 1,389,300.68

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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.