Home / 1,053,290.20-1,455,028.51-838,155.01

Finding the Fourth Proportional to 1,053,290.20, 1,455,028.51 and 838,155.01

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Solution

The fourth proportional to 1,053,290.20, 1,455,028.51 and 838,155.01 is: 1,157,838.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,290.20 : 1,455,028.51 = 838,155.01 : x
  2. Step 2: Convert to fraction form
    1,053,290.20/1,455,028.51 = 838,155.01/x
  3. Step 3: Cross multiply
    1,053,290.20x = 1,455,028.51 × 838,155.01
  4. Step 4: Simplify right side
    1,053,290.20x = 1,219,539,427,520.99
  5. Step 5: Solve for x
    x = 1,219,539,427,520.99/1,053,290.20
  6. Step 6: Final answer
    x = 1,157,838.01

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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.