Home / 740,546.92-1,021,954.50-401,015.08

Finding the Fourth Proportional to 740,546.92, 1,021,954.50 and 401,015.08

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Solution

The fourth proportional to 740,546.92, 1,021,954.50 and 401,015.08 is: 553,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,546.92 : 1,021,954.50 = 401,015.08 : x
  2. Step 2: Convert to fraction form
    740,546.92/1,021,954.50 = 401,015.08/x
  3. Step 3: Cross multiply
    740,546.92x = 1,021,954.50 × 401,015.08
  4. Step 4: Simplify right side
    740,546.92x = 409,819,165,573.86
  5. Step 5: Solve for x
    x = 409,819,165,573.86/740,546.92
  6. Step 6: Final answer
    x = 553,400.68

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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.