Home / 705,730.35-973,912.23-383,440.26

Finding the Fourth Proportional to 705,730.35, 973,912.23 and 383,440.26

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Solution

The fourth proportional to 705,730.35, 973,912.23 and 383,440.26 is: 529,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,730.35 : 973,912.23 = 383,440.26 : x
  2. Step 2: Convert to fraction form
    705,730.35/973,912.23 = 383,440.26/x
  3. Step 3: Cross multiply
    705,730.35x = 973,912.23 × 383,440.26
  4. Step 4: Simplify right side
    705,730.35x = 373,437,158,688.38
  5. Step 5: Solve for x
    x = 373,437,158,688.38/705,730.35
  6. Step 6: Final answer
    x = 529,149.92

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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.