Home / 958,353.40-1,322,952.78-618,987.16

Finding the Fourth Proportional to 958,353.40, 1,322,952.78 and 618,987.16

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Solution

The fourth proportional to 958,353.40, 1,322,952.78 and 618,987.16 is: 854,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,353.40 : 1,322,952.78 = 618,987.16 : x
  2. Step 2: Convert to fraction form
    958,353.40/1,322,952.78 = 618,987.16/x
  3. Step 3: Cross multiply
    958,353.40x = 1,322,952.78 × 618,987.16
  4. Step 4: Simplify right side
    958,353.40x = 818,890,784,106.31
  5. Step 5: Solve for x
    x = 818,890,784,106.31/958,353.40
  6. Step 6: Final answer
    x = 854,476.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.