Home / 406,315.28-609,140.25-153,452.22

Finding the Fourth Proportional to 406,315.28, 609,140.25 and 153,452.22

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Solution

The fourth proportional to 406,315.28, 609,140.25 and 153,452.22 is: 230,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,315.28 : 609,140.25 = 153,452.22 : x
  2. Step 2: Convert to fraction form
    406,315.28/609,140.25 = 153,452.22/x
  3. Step 3: Cross multiply
    406,315.28x = 609,140.25 × 153,452.22
  4. Step 4: Simplify right side
    406,315.28x = 93,473,923,653.86
  5. Step 5: Solve for x
    x = 93,473,923,653.86/406,315.28
  6. Step 6: Final answer
    x = 230,052.69

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1.5x scale

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.