Home / 628,742.01-943,229.67-208,021.53

Finding the Fourth Proportional to 628,742.01, 943,229.67 and 208,021.53

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Solution

The fourth proportional to 628,742.01, 943,229.67 and 208,021.53 is: 312,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,742.01 : 943,229.67 = 208,021.53 : x
  2. Step 2: Convert to fraction form
    628,742.01/943,229.67 = 208,021.53/x
  3. Step 3: Cross multiply
    628,742.01x = 943,229.67 × 208,021.53
  4. Step 4: Simplify right side
    628,742.01x = 196,212,079,094.80
  5. Step 5: Solve for x
    x = 196,212,079,094.80/628,742.01
  6. Step 6: Final answer
    x = 312,070.89

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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.