Home / 413,905.26-623,623.66-373,970.64

Finding the Fourth Proportional to 413,905.26, 623,623.66 and 373,970.64

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Solution

The fourth proportional to 413,905.26, 623,623.66 and 373,970.64 is: 563,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,905.26 : 623,623.66 = 373,970.64 : x
  2. Step 2: Convert to fraction form
    413,905.26/623,623.66 = 373,970.64/x
  3. Step 3: Cross multiply
    413,905.26x = 623,623.66 × 373,970.64
  4. Step 4: Simplify right side
    413,905.26x = 233,216,939,249.34
  5. Step 5: Solve for x
    x = 233,216,939,249.34/413,905.26
  6. Step 6: Final answer
    x = 563,454.88

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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.