Home / 926,996.40-1,389,182.40-814,147.20

Finding the Fourth Proportional to 926,996.40, 1,389,182.40 and 814,147.20

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Solution

The fourth proportional to 926,996.40, 1,389,182.40 and 814,147.20 is: 1,220,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,996.40 : 1,389,182.40 = 814,147.20 : x
  2. Step 2: Convert to fraction form
    926,996.40/1,389,182.40 = 814,147.20/x
  3. Step 3: Cross multiply
    926,996.40x = 1,389,182.40 × 814,147.20
  4. Step 4: Simplify right side
    926,996.40x = 1,130,998,961,249.28
  5. Step 5: Solve for x
    x = 1,130,998,961,249.28/926,996.40
  6. Step 6: Final answer
    x = 1,220,068.34

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1.5x scale

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.