Home / 622,290.58-858,844.25-364,246.45

Finding the Fourth Proportional to 622,290.58, 858,844.25 and 364,246.45

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Solution

The fourth proportional to 622,290.58, 858,844.25 and 364,246.45 is: 502,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,290.58 : 858,844.25 = 364,246.45 : x
  2. Step 2: Convert to fraction form
    622,290.58/858,844.25 = 364,246.45/x
  3. Step 3: Cross multiply
    622,290.58x = 858,844.25 × 364,246.45
  4. Step 4: Simplify right side
    622,290.58x = 312,830,966,562.99
  5. Step 5: Solve for x
    x = 312,830,966,562.99/622,290.58
  6. Step 6: Final answer
    x = 502,708.83

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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.