Home / 393,636.03-543,291.89-246,529.10

Finding the Fourth Proportional to 393,636.03, 543,291.89 and 246,529.10

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Solution

The fourth proportional to 393,636.03, 543,291.89 and 246,529.10 is: 340,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,636.03 : 543,291.89 = 246,529.10 : x
  2. Step 2: Convert to fraction form
    393,636.03/543,291.89 = 246,529.10/x
  3. Step 3: Cross multiply
    393,636.03x = 543,291.89 × 246,529.10
  4. Step 4: Simplify right side
    393,636.03x = 133,937,256,729.89
  5. Step 5: Solve for x
    x = 133,937,256,729.89/393,636.03
  6. Step 6: Final answer
    x = 340,256.60

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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.