Home / 643,225.36-964,884.36-169,904.56

Finding the Fourth Proportional to 643,225.36, 964,884.36 and 169,904.56

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Solution

The fourth proportional to 643,225.36, 964,884.36 and 169,904.56 is: 254,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,225.36 : 964,884.36 = 169,904.56 : x
  2. Step 2: Convert to fraction form
    643,225.36/964,884.36 = 169,904.56/x
  3. Step 3: Cross multiply
    643,225.36x = 964,884.36 × 169,904.56
  4. Step 4: Simplify right side
    643,225.36x = 163,938,252,636.68
  5. Step 5: Solve for x
    x = 163,938,252,636.68/643,225.36
  6. Step 6: Final answer
    x = 254,869.08

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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.