Home / 676,298.03-933,064.70-389,811.96

Finding the Fourth Proportional to 676,298.03, 933,064.70 and 389,811.96

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Solution

The fourth proportional to 676,298.03, 933,064.70 and 389,811.96 is: 537,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,298.03 : 933,064.70 = 389,811.96 : x
  2. Step 2: Convert to fraction form
    676,298.03/933,064.70 = 389,811.96/x
  3. Step 3: Cross multiply
    676,298.03x = 933,064.70 × 389,811.96
  4. Step 4: Simplify right side
    676,298.03x = 363,719,777,564.75
  5. Step 5: Solve for x
    x = 363,719,777,564.75/676,298.03
  6. Step 6: Final answer
    x = 537,809.91

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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.