Home / 705,426.42-973,500.09-383,136.76

Finding the Fourth Proportional to 705,426.42, 973,500.09 and 383,136.76

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Solution

The fourth proportional to 705,426.42, 973,500.09 and 383,136.76 is: 528,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,426.42 : 973,500.09 = 383,136.76 : x
  2. Step 2: Convert to fraction form
    705,426.42/973,500.09 = 383,136.76/x
  3. Step 3: Cross multiply
    705,426.42x = 973,500.09 × 383,136.76
  4. Step 4: Simplify right side
    705,426.42x = 372,983,670,342.31
  5. Step 5: Solve for x
    x = 372,983,670,342.31/705,426.42
  6. Step 6: Final answer
    x = 528,735.05

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Double scale
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Similar ratio
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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.