Home / 877,474.94-1,316,212.68-316,509.44

Finding the Fourth Proportional to 877,474.94, 1,316,212.68 and 316,509.44

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Solution

The fourth proportional to 877,474.94, 1,316,212.68 and 316,509.44 is: 474,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,474.94 : 1,316,212.68 = 316,509.44 : x
  2. Step 2: Convert to fraction form
    877,474.94/1,316,212.68 = 316,509.44/x
  3. Step 3: Cross multiply
    877,474.94x = 1,316,212.68 × 316,509.44
  4. Step 4: Simplify right side
    877,474.94x = 416,593,738,267.70
  5. Step 5: Solve for x
    x = 416,593,738,267.70/877,474.94
  6. Step 6: Final answer
    x = 474,764.26

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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.