Home / 1,349,238.51-1,861,769.21-866,457.59

Finding the Fourth Proportional to 1,349,238.51, 1,861,769.21 and 866,457.59

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Solution

The fourth proportional to 1,349,238.51, 1,861,769.21 and 866,457.59 is: 1,195,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,238.51 : 1,861,769.21 = 866,457.59 : x
  2. Step 2: Convert to fraction form
    1,349,238.51/1,861,769.21 = 866,457.59/x
  3. Step 3: Cross multiply
    1,349,238.51x = 1,861,769.21 × 866,457.59
  4. Step 4: Simplify right side
    1,349,238.51x = 1,613,144,049,191.67
  5. Step 5: Solve for x
    x = 1,613,144,049,191.67/1,349,238.51
  6. Step 6: Final answer
    x = 1,195,595.91

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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.