Home / 448,627.69-619,089.10-247,423.69

Finding the Fourth Proportional to 448,627.69, 619,089.10 and 247,423.69

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Solution

The fourth proportional to 448,627.69, 619,089.10 and 247,423.69 is: 341,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,627.69 : 619,089.10 = 247,423.69 : x
  2. Step 2: Convert to fraction form
    448,627.69/619,089.10 = 247,423.69/x
  3. Step 3: Cross multiply
    448,627.69x = 619,089.10 × 247,423.69
  4. Step 4: Simplify right side
    448,627.69x = 153,177,309,560.78
  5. Step 5: Solve for x
    x = 153,177,309,560.78/448,627.69
  6. Step 6: Final answer
    x = 341,435.25

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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.