Home / 619,153.47-928,731.20-169,880.49

Finding the Fourth Proportional to 619,153.47, 928,731.20 and 169,880.49

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Solution

The fourth proportional to 619,153.47, 928,731.20 and 169,880.49 is: 254,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,153.47 : 928,731.20 = 169,880.49 : x
  2. Step 2: Convert to fraction form
    619,153.47/928,731.20 = 169,880.49/x
  3. Step 3: Cross multiply
    619,153.47x = 928,731.20 × 169,880.49
  4. Step 4: Simplify right side
    619,153.47x = 157,773,310,484.89
  5. Step 5: Solve for x
    x = 157,773,310,484.89/619,153.47
  6. Step 6: Final answer
    x = 254,821.01

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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.