Home / 646,645.55-969,968.52-197,368.92

Finding the Fourth Proportional to 646,645.55, 969,968.52 and 197,368.92

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Solution

The fourth proportional to 646,645.55, 969,968.52 and 197,368.92 is: 296,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,645.55 : 969,968.52 = 197,368.92 : x
  2. Step 2: Convert to fraction form
    646,645.55/969,968.52 = 197,368.92/x
  3. Step 3: Cross multiply
    646,645.55x = 969,968.52 × 197,368.92
  4. Step 4: Simplify right side
    646,645.55x = 191,441,639,226.40
  5. Step 5: Solve for x
    x = 191,441,639,226.40/646,645.55
  6. Step 6: Final answer
    x = 296,053.44

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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.