Home / 1,456,214.66-2,009,578.43-811,621.01

Finding the Fourth Proportional to 1,456,214.66, 2,009,578.43 and 811,621.01

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Solution

The fourth proportional to 1,456,214.66, 2,009,578.43 and 811,621.01 is: 1,120,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,214.66 : 2,009,578.43 = 811,621.01 : x
  2. Step 2: Convert to fraction form
    1,456,214.66/2,009,578.43 = 811,621.01/x
  3. Step 3: Cross multiply
    1,456,214.66x = 2,009,578.43 × 811,621.01
  4. Step 4: Simplify right side
    1,456,214.66x = 1,631,016,060,924.82
  5. Step 5: Solve for x
    x = 1,631,016,060,924.82/1,456,214.66
  6. Step 6: Final answer
    x = 1,120,038.21

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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.