Home / 1,505,520.95-2,077,623.68-817,193.34

Finding the Fourth Proportional to 1,505,520.95, 2,077,623.68 and 817,193.34

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Solution

The fourth proportional to 1,505,520.95, 2,077,623.68 and 817,193.34 is: 1,127,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,520.95 : 2,077,623.68 = 817,193.34 : x
  2. Step 2: Convert to fraction form
    1,505,520.95/2,077,623.68 = 817,193.34/x
  3. Step 3: Cross multiply
    1,505,520.95x = 2,077,623.68 × 817,193.34
  4. Step 4: Simplify right side
    1,505,520.95x = 1,697,820,230,236.32
  5. Step 5: Solve for x
    x = 1,697,820,230,236.32/1,505,520.95
  6. Step 6: Final answer
    x = 1,127,729.40

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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.