Home / 628,899.64-943,497.06-208,175.50

Finding the Fourth Proportional to 628,899.64, 943,497.06 and 208,175.50

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Solution

The fourth proportional to 628,899.64, 943,497.06 and 208,175.50 is: 312,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,899.64 : 943,497.06 = 208,175.50 : x
  2. Step 2: Convert to fraction form
    628,899.64/943,497.06 = 208,175.50/x
  3. Step 3: Cross multiply
    628,899.64x = 943,497.06 × 208,175.50
  4. Step 4: Simplify right side
    628,899.64x = 196,412,972,214.03
  5. Step 5: Solve for x
    x = 196,412,972,214.03/628,899.64
  6. Step 6: Final answer
    x = 312,312.11

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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.