Home / 705,512.16-973,613.97-383,228.55

Finding the Fourth Proportional to 705,512.16, 973,613.97 and 383,228.55

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Solution

The fourth proportional to 705,512.16, 973,613.97 and 383,228.55 is: 528,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,512.16 : 973,613.97 = 383,228.55 : x
  2. Step 2: Convert to fraction form
    705,512.16/973,613.97 = 383,228.55/x
  3. Step 3: Cross multiply
    705,512.16x = 973,613.97 × 383,228.55
  4. Step 4: Simplify right side
    705,512.16x = 373,116,669,982.84
  5. Step 5: Solve for x
    x = 373,116,669,982.84/705,512.16
  6. Step 6: Final answer
    x = 528,859.30

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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.