Home / 1,505,557.40-2,077,671.20-817,228.82

Finding the Fourth Proportional to 1,505,557.40, 2,077,671.20 and 817,228.82

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Solution

The fourth proportional to 1,505,557.40, 2,077,671.20 and 817,228.82 is: 1,127,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,557.40 : 2,077,671.20 = 817,228.82 : x
  2. Step 2: Convert to fraction form
    1,505,557.40/2,077,671.20 = 817,228.82/x
  3. Step 3: Cross multiply
    1,505,557.40x = 2,077,671.20 × 817,228.82
  4. Step 4: Simplify right side
    1,505,557.40x = 1,697,932,768,649.48
  5. Step 5: Solve for x
    x = 1,697,932,768,649.48/1,505,557.40
  6. Step 6: Final answer
    x = 1,127,776.84

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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.