Home / 628,673.37-943,000.83-155,358.72

Finding the Fourth Proportional to 628,673.37, 943,000.83 and 155,358.72

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Solution

The fourth proportional to 628,673.37, 943,000.83 and 155,358.72 is: 233,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,673.37 : 943,000.83 = 155,358.72 : x
  2. Step 2: Convert to fraction form
    628,673.37/943,000.83 = 155,358.72/x
  3. Step 3: Cross multiply
    628,673.37x = 943,000.83 × 155,358.72
  4. Step 4: Simplify right side
    628,673.37x = 146,503,401,907.74
  5. Step 5: Solve for x
    x = 146,503,401,907.74/628,673.37
  6. Step 6: Final answer
    x = 233,035.80

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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.