Home / 671,824.69-927,118.07-370,018.69

Finding the Fourth Proportional to 671,824.69, 927,118.07 and 370,018.69

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Solution

The fourth proportional to 671,824.69, 927,118.07 and 370,018.69 is: 510,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,824.69 : 927,118.07 = 370,018.69 : x
  2. Step 2: Convert to fraction form
    671,824.69/927,118.07 = 370,018.69/x
  3. Step 3: Cross multiply
    671,824.69x = 927,118.07 × 370,018.69
  4. Step 4: Simplify right side
    671,824.69x = 343,051,010,956.41
  5. Step 5: Solve for x
    x = 343,051,010,956.41/671,824.69
  6. Step 6: Final answer
    x = 510,625.79

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Double scale
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Similar ratio
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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.