Home / 1,457,536.53-2,011,403.93-812,998.47

Finding the Fourth Proportional to 1,457,536.53, 2,011,403.93 and 812,998.47

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Solution

The fourth proportional to 1,457,536.53, 2,011,403.93 and 812,998.47 is: 1,121,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,536.53 : 2,011,403.93 = 812,998.47 : x
  2. Step 2: Convert to fraction form
    1,457,536.53/2,011,403.93 = 812,998.47/x
  3. Step 3: Cross multiply
    1,457,536.53x = 2,011,403.93 × 812,998.47
  4. Step 4: Simplify right side
    1,457,536.53x = 1,635,268,317,641.99
  5. Step 5: Solve for x
    x = 1,635,268,317,641.99/1,457,536.53
  6. Step 6: Final answer
    x = 1,121,939.85

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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.