Home / 856,180.58-1,182,323.44-640,946.98

Finding the Fourth Proportional to 856,180.58, 1,182,323.44 and 640,946.98

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Solution

The fourth proportional to 856,180.58, 1,182,323.44 and 640,946.98 is: 885,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,180.58 : 1,182,323.44 = 640,946.98 : x
  2. Step 2: Convert to fraction form
    856,180.58/1,182,323.44 = 640,946.98/x
  3. Step 3: Cross multiply
    856,180.58x = 1,182,323.44 × 640,946.98
  4. Step 4: Simplify right side
    856,180.58x = 757,806,630,274.40
  5. Step 5: Solve for x
    x = 757,806,630,274.40/856,180.58
  6. Step 6: Final answer
    x = 885,101.40

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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.