Home / 1,457,444.62-2,011,276.26-812,906.36

Finding the Fourth Proportional to 1,457,444.62, 2,011,276.26 and 812,906.36

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Solution

The fourth proportional to 1,457,444.62, 2,011,276.26 and 812,906.36 is: 1,121,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,444.62 : 2,011,276.26 = 812,906.36 : x
  2. Step 2: Convert to fraction form
    1,457,444.62/2,011,276.26 = 812,906.36/x
  3. Step 3: Cross multiply
    1,457,444.62x = 2,011,276.26 × 812,906.36
  4. Step 4: Simplify right side
    1,457,444.62x = 1,634,979,263,471.01
  5. Step 5: Solve for x
    x = 1,634,979,263,471.01/1,457,444.62
  6. Step 6: Final answer
    x = 1,121,812.27

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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.