Home / 653,623.03-901,859.86-381,567.45

Finding the Fourth Proportional to 653,623.03, 901,859.86 and 381,567.45

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Solution

The fourth proportional to 653,623.03, 901,859.86 and 381,567.45 is: 526,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,623.03 : 901,859.86 = 381,567.45 : x
  2. Step 2: Convert to fraction form
    653,623.03/901,859.86 = 381,567.45/x
  3. Step 3: Cross multiply
    653,623.03x = 901,859.86 × 381,567.45
  4. Step 4: Simplify right side
    653,623.03x = 344,120,367,037.56
  5. Step 5: Solve for x
    x = 344,120,367,037.56/653,623.03
  6. Step 6: Final answer
    x = 526,481.40

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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.