Home / 705,669.17-973,827.06-383,380.09

Finding the Fourth Proportional to 705,669.17, 973,827.06 and 383,380.09

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Solution

The fourth proportional to 705,669.17, 973,827.06 and 383,380.09 is: 529,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,669.17 : 973,827.06 = 383,380.09 : x
  2. Step 2: Convert to fraction form
    705,669.17/973,827.06 = 383,380.09/x
  3. Step 3: Cross multiply
    705,669.17x = 973,827.06 × 383,380.09
  4. Step 4: Simplify right side
    705,669.17x = 373,345,902,034.99
  5. Step 5: Solve for x
    x = 373,345,902,034.99/705,669.17
  6. Step 6: Final answer
    x = 529,066.48

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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.