Home / 622,828.64-859,503.52-336,348.72

Finding the Fourth Proportional to 622,828.64, 859,503.52 and 336,348.72

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Solution

The fourth proportional to 622,828.64, 859,503.52 and 336,348.72 is: 464,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,828.64 : 859,503.52 = 336,348.72 : x
  2. Step 2: Convert to fraction form
    622,828.64/859,503.52 = 336,348.72/x
  3. Step 3: Cross multiply
    622,828.64x = 859,503.52 × 336,348.72
  4. Step 4: Simplify right side
    622,828.64x = 289,092,908,787.49
  5. Step 5: Solve for x
    x = 289,092,908,787.49/622,828.64
  6. Step 6: Final answer
    x = 464,161.23

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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.