Home / 679,007.56-1,022,573.53-618,474.14

Finding the Fourth Proportional to 679,007.56, 1,022,573.53 and 618,474.14

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Solution

The fourth proportional to 679,007.56, 1,022,573.53 and 618,474.14 is: 931,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,007.56 : 1,022,573.53 = 618,474.14 : x
  2. Step 2: Convert to fraction form
    679,007.56/1,022,573.53 = 618,474.14/x
  3. Step 3: Cross multiply
    679,007.56x = 1,022,573.53 × 618,474.14
  4. Step 4: Simplify right side
    679,007.56x = 632,435,284,553.51
  5. Step 5: Solve for x
    x = 632,435,284,553.51/679,007.56
  6. Step 6: Final answer
    x = 931,411.26

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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.