Home / 419,710.26-579,058.02-256,307.16

Finding the Fourth Proportional to 419,710.26, 579,058.02 and 256,307.16

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Solution

The fourth proportional to 419,710.26, 579,058.02 and 256,307.16 is: 353,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,710.26 : 579,058.02 = 256,307.16 : x
  2. Step 2: Convert to fraction form
    419,710.26/579,058.02 = 256,307.16/x
  3. Step 3: Cross multiply
    419,710.26x = 579,058.02 × 256,307.16
  4. Step 4: Simplify right side
    419,710.26x = 148,416,716,581.42
  5. Step 5: Solve for x
    x = 148,416,716,581.42/419,710.26
  6. Step 6: Final answer
    x = 353,617.08

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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.