Home / 884,596.32-1,326,557.79-315,871.56

Finding the Fourth Proportional to 884,596.32, 1,326,557.79 and 315,871.56

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Solution

The fourth proportional to 884,596.32, 1,326,557.79 and 315,871.56 is: 473,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,596.32 : 1,326,557.79 = 315,871.56 : x
  2. Step 2: Convert to fraction form
    884,596.32/1,326,557.79 = 315,871.56/x
  3. Step 3: Cross multiply
    884,596.32x = 1,326,557.79 × 315,871.56
  4. Step 4: Simplify right side
    884,596.32x = 419,021,878,557.45
  5. Step 5: Solve for x
    x = 419,021,878,557.45/884,596.32
  6. Step 6: Final answer
    x = 473,687.11

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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.