Home / 1,423,045.56-1,963,909.41-811,212.87

Finding the Fourth Proportional to 1,423,045.56, 1,963,909.41 and 811,212.87

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Solution

The fourth proportional to 1,423,045.56, 1,963,909.41 and 811,212.87 is: 1,119,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,045.56 : 1,963,909.41 = 811,212.87 : x
  2. Step 2: Convert to fraction form
    1,423,045.56/1,963,909.41 = 811,212.87/x
  3. Step 3: Cross multiply
    1,423,045.56x = 1,963,909.41 × 811,212.87
  4. Step 4: Simplify right side
    1,423,045.56x = 1,593,148,588,906.11
  5. Step 5: Solve for x
    x = 1,593,148,588,906.11/1,423,045.56
  6. Step 6: Final answer
    x = 1,119,534.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.