Home / 614,637.36-921,945.06-235,455.30

Finding the Fourth Proportional to 614,637.36, 921,945.06 and 235,455.30

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Solution

The fourth proportional to 614,637.36, 921,945.06 and 235,455.30 is: 353,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,637.36 : 921,945.06 = 235,455.30 : x
  2. Step 2: Convert to fraction form
    614,637.36/921,945.06 = 235,455.30/x
  3. Step 3: Cross multiply
    614,637.36x = 921,945.06 × 235,455.30
  4. Step 4: Simplify right side
    614,637.36x = 217,076,850,685.82
  5. Step 5: Solve for x
    x = 217,076,850,685.82/614,637.36
  6. Step 6: Final answer
    x = 353,178.74

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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.