Home / 382,913.96-528,584.64-272,603.72

Finding the Fourth Proportional to 382,913.96, 528,584.64 and 272,603.72

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Solution

The fourth proportional to 382,913.96, 528,584.64 and 272,603.72 is: 376,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,913.96 : 528,584.64 = 272,603.72 : x
  2. Step 2: Convert to fraction form
    382,913.96/528,584.64 = 272,603.72/x
  3. Step 3: Cross multiply
    382,913.96x = 528,584.64 × 272,603.72
  4. Step 4: Simplify right side
    382,913.96x = 144,094,139,198.86
  5. Step 5: Solve for x
    x = 144,094,139,198.86/382,913.96
  6. Step 6: Final answer
    x = 376,309.44

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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.