Home / 932,776.80-1,399,856.40-372,213.60

Finding the Fourth Proportional to 932,776.80, 1,399,856.40 and 372,213.60

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Solution

The fourth proportional to 932,776.80, 1,399,856.40 and 372,213.60 is: 558,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,776.80 : 1,399,856.40 = 372,213.60 : x
  2. Step 2: Convert to fraction form
    932,776.80/1,399,856.40 = 372,213.60/x
  3. Step 3: Cross multiply
    932,776.80x = 1,399,856.40 × 372,213.60
  4. Step 4: Simplify right side
    932,776.80x = 521,045,590,127.04
  5. Step 5: Solve for x
    x = 521,045,590,127.04/932,776.80
  6. Step 6: Final answer
    x = 558,596.22

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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.