Home / 683,349.06-943,204.09-392,992.35

Finding the Fourth Proportional to 683,349.06, 943,204.09 and 392,992.35

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Solution

The fourth proportional to 683,349.06, 943,204.09 and 392,992.35 is: 542,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,349.06 : 943,204.09 = 392,992.35 : x
  2. Step 2: Convert to fraction form
    683,349.06/943,204.09 = 392,992.35/x
  3. Step 3: Cross multiply
    683,349.06x = 943,204.09 × 392,992.35
  4. Step 4: Simplify right side
    683,349.06x = 370,671,991,858.71
  5. Step 5: Solve for x
    x = 370,671,991,858.71/683,349.06
  6. Step 6: Final answer
    x = 542,434.33

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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.