Home / 659,766.64-910,207.33-401,436.49

Finding the Fourth Proportional to 659,766.64, 910,207.33 and 401,436.49

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Solution

The fourth proportional to 659,766.64, 910,207.33 and 401,436.49 is: 553,817.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,766.64 : 910,207.33 = 401,436.49 : x
  2. Step 2: Convert to fraction form
    659,766.64/910,207.33 = 401,436.49/x
  3. Step 3: Cross multiply
    659,766.64x = 910,207.33 × 401,436.49
  4. Step 4: Simplify right side
    659,766.64x = 365,390,435,727.47
  5. Step 5: Solve for x
    x = 365,390,435,727.47/659,766.64
  6. Step 6: Final answer
    x = 553,817.69

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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.