Home / 1,457,534.53-2,011,401.17-812,996.47

Finding the Fourth Proportional to 1,457,534.53, 2,011,401.17 and 812,996.47

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Solution

The fourth proportional to 1,457,534.53, 2,011,401.17 and 812,996.47 is: 1,121,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,534.53 : 2,011,401.17 = 812,996.47 : x
  2. Step 2: Convert to fraction form
    1,457,534.53/2,011,401.17 = 812,996.47/x
  3. Step 3: Cross multiply
    1,457,534.53x = 2,011,401.17 × 812,996.47
  4. Step 4: Simplify right side
    1,457,534.53x = 1,635,262,050,963.87
  5. Step 5: Solve for x
    x = 1,635,262,050,963.87/1,457,534.53
  6. Step 6: Final answer
    x = 1,121,937.09

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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.