Home / 528,333.03-729,099.58-301,983.39

Finding the Fourth Proportional to 528,333.03, 729,099.58 and 301,983.39

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Solution

The fourth proportional to 528,333.03, 729,099.58 and 301,983.39 is: 416,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,333.03 : 729,099.58 = 301,983.39 : x
  2. Step 2: Convert to fraction form
    528,333.03/729,099.58 = 301,983.39/x
  3. Step 3: Cross multiply
    528,333.03x = 729,099.58 × 301,983.39
  4. Step 4: Simplify right side
    528,333.03x = 220,175,962,815.98
  5. Step 5: Solve for x
    x = 220,175,962,815.98/528,333.03
  6. Step 6: Final answer
    x = 416,737.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.