Home / 679,010.56-1,022,578.06-618,477.14

Finding the Fourth Proportional to 679,010.56, 1,022,578.06 and 618,477.14

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Solution

The fourth proportional to 679,010.56, 1,022,578.06 and 618,477.14 is: 931,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,010.56 : 1,022,578.06 = 618,477.14 : x
  2. Step 2: Convert to fraction form
    679,010.56/1,022,578.06 = 618,477.14/x
  3. Step 3: Cross multiply
    679,010.56x = 1,022,578.06 × 618,477.14
  4. Step 4: Simplify right side
    679,010.56x = 632,441,153,975.55
  5. Step 5: Solve for x
    x = 632,441,153,975.55/679,010.56
  6. Step 6: Final answer
    x = 931,415.79

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1.5x scale

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.