Home / 689,228.64-1,033,726.32-190,476

Finding the Fourth Proportional to 689,228.64, 1,033,726.32 and 190,476

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Solution

The fourth proportional to 689,228.64, 1,033,726.32 and 190,476 is: 285,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,228.64 : 1,033,726.32 = 190,476 : x
  2. Step 2: Convert to fraction form
    689,228.64/1,033,726.32 = 190,476/x
  3. Step 3: Cross multiply
    689,228.64x = 1,033,726.32 × 190,476
  4. Step 4: Simplify right side
    689,228.64x = 196,900,054,528.32
  5. Step 5: Solve for x
    x = 196,900,054,528.32/689,228.64
  6. Step 6: Final answer
    x = 285,681.77

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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.