Home / 877,473.94-1,316,211.18-316,508.44

Finding the Fourth Proportional to 877,473.94, 1,316,211.18 and 316,508.44

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Solution

The fourth proportional to 877,473.94, 1,316,211.18 and 316,508.44 is: 474,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,473.94 : 1,316,211.18 = 316,508.44 : x
  2. Step 2: Convert to fraction form
    877,473.94/1,316,211.18 = 316,508.44/x
  3. Step 3: Cross multiply
    877,473.94x = 1,316,211.18 × 316,508.44
  4. Step 4: Simplify right side
    877,473.94x = 416,591,947,292.36
  5. Step 5: Solve for x
    x = 416,591,947,292.36/877,473.94
  6. Step 6: Final answer
    x = 474,762.76

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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.