Home / 706,212.35-974,531.65-383,919.63

Finding the Fourth Proportional to 706,212.35, 974,531.65 and 383,919.63

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Solution

The fourth proportional to 706,212.35, 974,531.65 and 383,919.63 is: 529,786.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,212.35 : 974,531.65 = 383,919.63 : x
  2. Step 2: Convert to fraction form
    706,212.35/974,531.65 = 383,919.63/x
  3. Step 3: Cross multiply
    706,212.35x = 974,531.65 × 383,919.63
  4. Step 4: Simplify right side
    706,212.35x = 374,141,830,491.29
  5. Step 5: Solve for x
    x = 374,141,830,491.29/706,212.35
  6. Step 6: Final answer
    x = 529,786.59

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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.