Home / 622,825.15-859,498.70-336,345.23

Finding the Fourth Proportional to 622,825.15, 859,498.70 and 336,345.23

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Solution

The fourth proportional to 622,825.15, 859,498.70 and 336,345.23 is: 464,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,825.15 : 859,498.70 = 336,345.23 : x
  2. Step 2: Convert to fraction form
    622,825.15/859,498.70 = 336,345.23/x
  3. Step 3: Cross multiply
    622,825.15x = 859,498.70 × 336,345.23
  4. Step 4: Simplify right side
    622,825.15x = 289,088,281,956.98
  5. Step 5: Solve for x
    x = 289,088,281,956.98/622,825.15
  6. Step 6: Final answer
    x = 464,156.40

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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.