Home / 591,206.64-815,623.68-436,528.64

Finding the Fourth Proportional to 591,206.64, 815,623.68 and 436,528.64

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Solution

The fourth proportional to 591,206.64, 815,623.68 and 436,528.64 is: 602,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,206.64 : 815,623.68 = 436,528.64 : x
  2. Step 2: Convert to fraction form
    591,206.64/815,623.68 = 436,528.64/x
  3. Step 3: Cross multiply
    591,206.64x = 815,623.68 × 436,528.64
  4. Step 4: Simplify right side
    591,206.64x = 356,043,095,782.20
  5. Step 5: Solve for x
    x = 356,043,095,782.20/591,206.64
  6. Step 6: Final answer
    x = 602,231.22

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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.