Home / 1,457,732.96-2,011,686.64-813,212

Finding the Fourth Proportional to 1,457,732.96, 2,011,686.64 and 813,212

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Solution

The fourth proportional to 1,457,732.96, 2,011,686.64 and 813,212 is: 1,122,241.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,732.96 : 2,011,686.64 = 813,212 : x
  2. Step 2: Convert to fraction form
    1,457,732.96/2,011,686.64 = 813,212/x
  3. Step 3: Cross multiply
    1,457,732.96x = 2,011,686.64 × 813,212
  4. Step 4: Simplify right side
    1,457,732.96x = 1,635,927,715,887.68
  5. Step 5: Solve for x
    x = 1,635,927,715,887.68/1,457,732.96
  6. Step 6: Final answer
    x = 1,122,241.01

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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.