Home / 1,036,344.09-1,555,389.53-437,734.85

Finding the Fourth Proportional to 1,036,344.09, 1,555,389.53 and 437,734.85

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Solution

The fourth proportional to 1,036,344.09, 1,555,389.53 and 437,734.85 is: 656,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,344.09 : 1,555,389.53 = 437,734.85 : x
  2. Step 2: Convert to fraction form
    1,036,344.09/1,555,389.53 = 437,734.85/x
  3. Step 3: Cross multiply
    1,036,344.09x = 1,555,389.53 × 437,734.85
  4. Step 4: Simplify right side
    1,036,344.09x = 680,848,192,640.50
  5. Step 5: Solve for x
    x = 680,848,192,640.50/1,036,344.09
  6. Step 6: Final answer
    x = 656,971.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.