Home / 814,817.84-1,124,587.76-470,591.88

Finding the Fourth Proportional to 814,817.84, 1,124,587.76 and 470,591.88

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Solution

The fourth proportional to 814,817.84, 1,124,587.76 and 470,591.88 is: 649,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,817.84 : 1,124,587.76 = 470,591.88 : x
  2. Step 2: Convert to fraction form
    814,817.84/1,124,587.76 = 470,591.88/x
  3. Step 3: Cross multiply
    814,817.84x = 1,124,587.76 × 470,591.88
  4. Step 4: Simplify right side
    814,817.84x = 529,221,865,850.43
  5. Step 5: Solve for x
    x = 529,221,865,850.43/814,817.84
  6. Step 6: Final answer
    x = 649,497.16

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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.