Home / 1,581,423.70-2,182,318.04-893,123.78

Finding the Fourth Proportional to 1,581,423.70, 2,182,318.04 and 893,123.78

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Solution

The fourth proportional to 1,581,423.70, 2,182,318.04 and 893,123.78 is: 1,232,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,423.70 : 2,182,318.04 = 893,123.78 : x
  2. Step 2: Convert to fraction form
    1,581,423.70/2,182,318.04 = 893,123.78/x
  3. Step 3: Cross multiply
    1,581,423.70x = 2,182,318.04 × 893,123.78
  4. Step 4: Simplify right side
    1,581,423.70x = 1,949,080,137,046.99
  5. Step 5: Solve for x
    x = 1,949,080,137,046.99/1,581,423.70
  6. Step 6: Final answer
    x = 1,232,484.46

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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.