Home / 628,678.17-943,040.17-223,900.15

Finding the Fourth Proportional to 628,678.17, 943,040.17 and 223,900.15

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Solution

The fourth proportional to 628,678.17, 943,040.17 and 223,900.15 is: 335,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,678.17 : 943,040.17 = 223,900.15 : x
  2. Step 2: Convert to fraction form
    628,678.17/943,040.17 = 223,900.15/x
  3. Step 3: Cross multiply
    628,678.17x = 943,040.17 × 223,900.15
  4. Step 4: Simplify right side
    628,678.17x = 211,146,838,156.50
  5. Step 5: Solve for x
    x = 211,146,838,156.50/628,678.17
  6. Step 6: Final answer
    x = 335,858.39

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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.