Home / 636,003.63-877,738.86-432,505.98

Finding the Fourth Proportional to 636,003.63, 877,738.86 and 432,505.98

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Solution

The fourth proportional to 636,003.63, 877,738.86 and 432,505.98 is: 596,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,003.63 : 877,738.86 = 432,505.98 : x
  2. Step 2: Convert to fraction form
    636,003.63/877,738.86 = 432,505.98/x
  3. Step 3: Cross multiply
    636,003.63x = 877,738.86 × 432,505.98
  4. Step 4: Simplify right side
    636,003.63x = 379,627,305,828.38
  5. Step 5: Solve for x
    x = 379,627,305,828.38/636,003.63
  6. Step 6: Final answer
    x = 596,894.87

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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.