Home / 926,455.20-1,389,682.80-910,708.80

Finding the Fourth Proportional to 926,455.20, 1,389,682.80 and 910,708.80

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Solution

The fourth proportional to 926,455.20, 1,389,682.80 and 910,708.80 is: 1,366,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,455.20 : 1,389,682.80 = 910,708.80 : x
  2. Step 2: Convert to fraction form
    926,455.20/1,389,682.80 = 910,708.80/x
  3. Step 3: Cross multiply
    926,455.20x = 1,389,682.80 × 910,708.80
  4. Step 4: Simplify right side
    926,455.20x = 1,265,596,355,168.64
  5. Step 5: Solve for x
    x = 1,265,596,355,168.64/926,455.20
  6. Step 6: Final answer
    x = 1,366,063.20

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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.