Home / 696,512.09-1,044,768.35-459,799.40

Finding the Fourth Proportional to 696,512.09, 1,044,768.35 and 459,799.40

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Solution

The fourth proportional to 696,512.09, 1,044,768.35 and 459,799.40 is: 689,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,512.09 : 1,044,768.35 = 459,799.40 : x
  2. Step 2: Convert to fraction form
    696,512.09/1,044,768.35 = 459,799.40/x
  3. Step 3: Cross multiply
    696,512.09x = 1,044,768.35 × 459,799.40
  4. Step 4: Simplify right side
    696,512.09x = 480,383,864,230.41
  5. Step 5: Solve for x
    x = 480,383,864,230.41/696,512.09
  6. Step 6: Final answer
    x = 689,699.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.