Home / 468,175.14-646,086.78-253,319.40

Finding the Fourth Proportional to 468,175.14, 646,086.78 and 253,319.40

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Solution

The fourth proportional to 468,175.14, 646,086.78 and 253,319.40 is: 349,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,175.14 : 646,086.78 = 253,319.40 : x
  2. Step 2: Convert to fraction form
    468,175.14/646,086.78 = 253,319.40/x
  3. Step 3: Cross multiply
    468,175.14x = 646,086.78 × 253,319.40
  4. Step 4: Simplify right side
    468,175.14x = 163,666,315,457.53
  5. Step 5: Solve for x
    x = 163,666,315,457.53/468,175.14
  6. Step 6: Final answer
    x = 349,583.52

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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.