Home / 1,005,505.89-1,388,045.42-597,739.74

Finding the Fourth Proportional to 1,005,505.89, 1,388,045.42 and 597,739.74

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Solution

The fourth proportional to 1,005,505.89, 1,388,045.42 and 597,739.74 is: 825,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,505.89 : 1,388,045.42 = 597,739.74 : x
  2. Step 2: Convert to fraction form
    1,005,505.89/1,388,045.42 = 597,739.74/x
  3. Step 3: Cross multiply
    1,005,505.89x = 1,388,045.42 × 597,739.74
  4. Step 4: Simplify right side
    1,005,505.89x = 829,689,909,953.34
  5. Step 5: Solve for x
    x = 829,689,909,953.34/1,005,505.89
  6. Step 6: Final answer
    x = 825,146.74

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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.