Home / 646,036.04-969,142.71-219,457.34

Finding the Fourth Proportional to 646,036.04, 969,142.71 and 219,457.34

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Solution

The fourth proportional to 646,036.04, 969,142.71 and 219,457.34 is: 329,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,036.04 : 969,142.71 = 219,457.34 : x
  2. Step 2: Convert to fraction form
    646,036.04/969,142.71 = 219,457.34/x
  3. Step 3: Cross multiply
    646,036.04x = 969,142.71 × 219,457.34
  4. Step 4: Simplify right side
    646,036.04x = 212,685,481,216.99
  5. Step 5: Solve for x
    x = 212,685,481,216.99/646,036.04
  6. Step 6: Final answer
    x = 329,216.12

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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.