Home / 714,990.68-1,076,351.42-651,357.76

Finding the Fourth Proportional to 714,990.68, 1,076,351.42 and 651,357.76

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Solution

The fourth proportional to 714,990.68, 1,076,351.42 and 651,357.76 is: 980,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,990.68 : 1,076,351.42 = 651,357.76 : x
  2. Step 2: Convert to fraction form
    714,990.68/1,076,351.42 = 651,357.76/x
  3. Step 3: Cross multiply
    714,990.68x = 1,076,351.42 × 651,357.76
  4. Step 4: Simplify right side
    714,990.68x = 701,089,849,904.02
  5. Step 5: Solve for x
    x = 701,089,849,904.02/714,990.68
  6. Step 6: Final answer
    x = 980,558.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.