Home / 847,675.08-1,271,315.52-315,446.76

Finding the Fourth Proportional to 847,675.08, 1,271,315.52 and 315,446.76

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Solution

The fourth proportional to 847,675.08, 1,271,315.52 and 315,446.76 is: 473,096.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,675.08 : 1,271,315.52 = 315,446.76 : x
  2. Step 2: Convert to fraction form
    847,675.08/1,271,315.52 = 315,446.76/x
  3. Step 3: Cross multiply
    847,675.08x = 1,271,315.52 × 315,446.76
  4. Step 4: Simplify right side
    847,675.08x = 401,032,361,721.72
  5. Step 5: Solve for x
    x = 401,032,361,721.72/847,675.08
  6. Step 6: Final answer
    x = 473,096.79

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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.