Home / 683,902.07-943,788.00-373,811.05

Finding the Fourth Proportional to 683,902.07, 943,788.00 and 373,811.05

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Solution

The fourth proportional to 683,902.07, 943,788.00 and 373,811.05 is: 515,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,902.07 : 943,788.00 = 373,811.05 : x
  2. Step 2: Convert to fraction form
    683,902.07/943,788.00 = 373,811.05/x
  3. Step 3: Cross multiply
    683,902.07x = 943,788.00 × 373,811.05
  4. Step 4: Simplify right side
    683,902.07x = 352,798,385,838.93
  5. Step 5: Solve for x
    x = 352,798,385,838.93/683,902.07
  6. Step 6: Final answer
    x = 515,860.97

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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.