Home / 616,729.42-847,814.89-530,372.08

Finding the Fourth Proportional to 616,729.42, 847,814.89 and 530,372.08

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Solution

The fourth proportional to 616,729.42, 847,814.89 and 530,372.08 is: 729,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,729.42 : 847,814.89 = 530,372.08 : x
  2. Step 2: Convert to fraction form
    616,729.42/847,814.89 = 530,372.08/x
  3. Step 3: Cross multiply
    616,729.42x = 847,814.89 × 530,372.08
  4. Step 4: Simplify right side
    616,729.42x = 449,657,346,664.27
  5. Step 5: Solve for x
    x = 449,657,346,664.27/616,729.42
  6. Step 6: Final answer
    x = 729,099.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.