Home / 1,053,290.95-1,455,029.54-838,155.76

Finding the Fourth Proportional to 1,053,290.95, 1,455,029.54 and 838,155.76

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Solution

The fourth proportional to 1,053,290.95, 1,455,029.54 and 838,155.76 is: 1,157,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,290.95 : 1,455,029.54 = 838,155.76 : x
  2. Step 2: Convert to fraction form
    1,053,290.95/1,455,029.54 = 838,155.76/x
  3. Step 3: Cross multiply
    1,053,290.95x = 1,455,029.54 × 838,155.76
  4. Step 4: Simplify right side
    1,053,290.95x = 1,219,541,389,921.15
  5. Step 5: Solve for x
    x = 1,219,541,389,921.15/1,053,290.95
  6. Step 6: Final answer
    x = 1,157,839.05

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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.