Home / 459,434.03-689,173.59-122,477.70

Finding the Fourth Proportional to 459,434.03, 689,173.59 and 122,477.70

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Solution

The fourth proportional to 459,434.03, 689,173.59 and 122,477.70 is: 183,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,434.03 : 689,173.59 = 122,477.70 : x
  2. Step 2: Convert to fraction form
    459,434.03/689,173.59 = 122,477.70/x
  3. Step 3: Cross multiply
    459,434.03x = 689,173.59 × 122,477.70
  4. Step 4: Simplify right side
    459,434.03x = 84,408,393,088.26
  5. Step 5: Solve for x
    x = 84,408,393,088.26/459,434.03
  6. Step 6: Final answer
    x = 183,722.56

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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.