Home / 622,764.60-859,575.46-405,515.52

Finding the Fourth Proportional to 622,764.60, 859,575.46 and 405,515.52

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Solution

The fourth proportional to 622,764.60, 859,575.46 and 405,515.52 is: 559,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,764.60 : 859,575.46 = 405,515.52 : x
  2. Step 2: Convert to fraction form
    622,764.60/859,575.46 = 405,515.52/x
  3. Step 3: Cross multiply
    622,764.60x = 859,575.46 × 405,515.52
  4. Step 4: Simplify right side
    622,764.60x = 348,571,189,641.14
  5. Step 5: Solve for x
    x = 348,571,189,641.14/622,764.60
  6. Step 6: Final answer
    x = 559,715.81

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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.