Home / 622,738.88-859,423.36-354,466.88

Finding the Fourth Proportional to 622,738.88, 859,423.36 and 354,466.88

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Solution

The fourth proportional to 622,738.88, 859,423.36 and 354,466.88 is: 489,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,738.88 : 859,423.36 = 354,466.88 : x
  2. Step 2: Convert to fraction form
    622,738.88/859,423.36 = 354,466.88/x
  3. Step 3: Cross multiply
    622,738.88x = 859,423.36 × 354,466.88
  4. Step 4: Simplify right side
    622,738.88x = 304,637,117,018.32
  5. Step 5: Solve for x
    x = 304,637,117,018.32/622,738.88
  6. Step 6: Final answer
    x = 489,189.17

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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.