Home / 749,046.42-1,033,683.84-409,514.64

Finding the Fourth Proportional to 749,046.42, 1,033,683.84 and 409,514.64

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Solution

The fourth proportional to 749,046.42, 1,033,683.84 and 409,514.64 is: 565,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,046.42 : 1,033,683.84 = 409,514.64 : x
  2. Step 2: Convert to fraction form
    749,046.42/1,033,683.84 = 409,514.64/x
  3. Step 3: Cross multiply
    749,046.42x = 1,033,683.84 × 409,514.64
  4. Step 4: Simplify right side
    749,046.42x = 423,308,665,611.42
  5. Step 5: Solve for x
    x = 423,308,665,611.42/749,046.42
  6. Step 6: Final answer
    x = 565,130.08

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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.