Home / 406,627.67-560,829.75-245,314.55

Finding the Fourth Proportional to 406,627.67, 560,829.75 and 245,314.55

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Solution

The fourth proportional to 406,627.67, 560,829.75 and 245,314.55 is: 338,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,627.67 : 560,829.75 = 245,314.55 : x
  2. Step 2: Convert to fraction form
    406,627.67/560,829.75 = 245,314.55/x
  3. Step 3: Cross multiply
    406,627.67x = 560,829.75 × 245,314.55
  4. Step 4: Simplify right side
    406,627.67x = 137,579,697,747.86
  5. Step 5: Solve for x
    x = 137,579,697,747.86/406,627.67
  6. Step 6: Final answer
    x = 338,343.18

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1.5x scale

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.