Home / 1,457,541.28-2,011,410.53-813,003.22

Finding the Fourth Proportional to 1,457,541.28, 2,011,410.53 and 813,003.22

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Solution

The fourth proportional to 1,457,541.28, 2,011,410.53 and 813,003.22 is: 1,121,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,541.28 : 2,011,410.53 = 813,003.22 : x
  2. Step 2: Convert to fraction form
    1,457,541.28/2,011,410.53 = 813,003.22/x
  3. Step 3: Cross multiply
    1,457,541.28x = 2,011,410.53 × 813,003.22
  4. Step 4: Simplify right side
    1,457,541.28x = 1,635,283,237,631.91
  5. Step 5: Solve for x
    x = 1,635,283,237,631.91/1,457,541.28
  6. Step 6: Final answer
    x = 1,121,946.43

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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.