Home / 691,883.12-1,038,124.42-371,661.37

Finding the Fourth Proportional to 691,883.12, 1,038,124.42 and 371,661.37

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Solution

The fourth proportional to 691,883.12, 1,038,124.42 and 371,661.37 is: 557,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,883.12 : 1,038,124.42 = 371,661.37 : x
  2. Step 2: Convert to fraction form
    691,883.12/1,038,124.42 = 371,661.37/x
  3. Step 3: Cross multiply
    691,883.12x = 1,038,124.42 × 371,661.37
  4. Step 4: Simplify right side
    691,883.12x = 385,830,740,643.19
  5. Step 5: Solve for x
    x = 385,830,740,643.19/691,883.12
  6. Step 6: Final answer
    x = 557,653.06

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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.