Home / 1,457,533.56-2,011,399.80-812,995.50

Finding the Fourth Proportional to 1,457,533.56, 2,011,399.80 and 812,995.50

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Solution

The fourth proportional to 1,457,533.56, 2,011,399.80 and 812,995.50 is: 1,121,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,533.56 : 2,011,399.80 = 812,995.50 : x
  2. Step 2: Convert to fraction form
    1,457,533.56/2,011,399.80 = 812,995.50/x
  3. Step 3: Cross multiply
    1,457,533.56x = 2,011,399.80 × 812,995.50
  4. Step 4: Simplify right side
    1,457,533.56x = 1,635,258,986,100.90
  5. Step 5: Solve for x
    x = 1,635,258,986,100.90/1,457,533.56
  6. Step 6: Final answer
    x = 1,121,935.74

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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.