Home / 418,733.47-627,720.09-152,305.63

Finding the Fourth Proportional to 418,733.47, 627,720.09 and 152,305.63

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Solution

The fourth proportional to 418,733.47, 627,720.09 and 152,305.63 is: 228,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,733.47 : 627,720.09 = 152,305.63 : x
  2. Step 2: Convert to fraction form
    418,733.47/627,720.09 = 152,305.63/x
  3. Step 3: Cross multiply
    418,733.47x = 627,720.09 × 152,305.63
  4. Step 4: Simplify right side
    418,733.47x = 95,605,303,771.11
  5. Step 5: Solve for x
    x = 95,605,303,771.11/418,733.47
  6. Step 6: Final answer
    x = 228,320.19

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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.