Home / 657,521.01-986,374.26-257,945.04

Finding the Fourth Proportional to 657,521.01, 986,374.26 and 257,945.04

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Solution

The fourth proportional to 657,521.01, 986,374.26 and 257,945.04 is: 386,953.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,521.01 : 986,374.26 = 257,945.04 : x
  2. Step 2: Convert to fraction form
    657,521.01/986,374.26 = 257,945.04/x
  3. Step 3: Cross multiply
    657,521.01x = 986,374.26 × 257,945.04
  4. Step 4: Simplify right side
    657,521.01x = 254,430,347,950.67
  5. Step 5: Solve for x
    x = 254,430,347,950.67/657,521.01
  6. Step 6: Final answer
    x = 386,953.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.