Home / 1,505,429.66-2,077,487.61-817,101.51

Finding the Fourth Proportional to 1,505,429.66, 2,077,487.61 and 817,101.51

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Solution

The fourth proportional to 1,505,429.66, 2,077,487.61 and 817,101.51 is: 1,127,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,429.66 : 2,077,487.61 = 817,101.51 : x
  2. Step 2: Convert to fraction form
    1,505,429.66/2,077,487.61 = 817,101.51/x
  3. Step 3: Cross multiply
    1,505,429.66x = 2,077,487.61 × 817,101.51
  4. Step 4: Simplify right side
    1,505,429.66x = 1,697,518,263,137.29
  5. Step 5: Solve for x
    x = 1,697,518,263,137.29/1,505,429.66
  6. Step 6: Final answer
    x = 1,127,597.20

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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.