Home / 705,458.16-973,539.41-383,174.55

Finding the Fourth Proportional to 705,458.16, 973,539.41 and 383,174.55

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Solution

The fourth proportional to 705,458.16, 973,539.41 and 383,174.55 is: 528,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,458.16 : 973,539.41 = 383,174.55 : x
  2. Step 2: Convert to fraction form
    705,458.16/973,539.41 = 383,174.55/x
  3. Step 3: Cross multiply
    705,458.16x = 973,539.41 × 383,174.55
  4. Step 4: Simplify right side
    705,458.16x = 373,035,523,418.14
  5. Step 5: Solve for x
    x = 373,035,523,418.14/705,458.16
  6. Step 6: Final answer
    x = 528,784.76

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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.