Home / 413,921.24-623,647.78-373,986.64

Finding the Fourth Proportional to 413,921.24, 623,647.78 and 373,986.64

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Solution

The fourth proportional to 413,921.24, 623,647.78 and 373,986.64 is: 563,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,921.24 : 623,647.78 = 373,986.64 : x
  2. Step 2: Convert to fraction form
    413,921.24/623,647.78 = 373,986.64/x
  3. Step 3: Cross multiply
    413,921.24x = 623,647.78 × 373,986.64
  4. Step 4: Simplify right side
    413,921.24x = 233,235,937,785.66
  5. Step 5: Solve for x
    x = 233,235,937,785.66/413,921.24
  6. Step 6: Final answer
    x = 563,479.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.