Home / 423,860.20-635,559.90-174,567.40

Finding the Fourth Proportional to 423,860.20, 635,559.90 and 174,567.40

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Solution

The fourth proportional to 423,860.20, 635,559.90 and 174,567.40 is: 261,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,860.20 : 635,559.90 = 174,567.40 : x
  2. Step 2: Convert to fraction form
    423,860.20/635,559.90 = 174,567.40/x
  3. Step 3: Cross multiply
    423,860.20x = 635,559.90 × 174,567.40
  4. Step 4: Simplify right side
    423,860.20x = 110,948,039,287.26
  5. Step 5: Solve for x
    x = 110,948,039,287.26/423,860.20
  6. Step 6: Final answer
    x = 261,756.21

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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.