Home / 571,623.24-788,905.08-329,970.64

Finding the Fourth Proportional to 571,623.24, 788,905.08 and 329,970.64

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Solution

The fourth proportional to 571,623.24, 788,905.08 and 329,970.64 is: 455,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,623.24 : 788,905.08 = 329,970.64 : x
  2. Step 2: Convert to fraction form
    571,623.24/788,905.08 = 329,970.64/x
  3. Step 3: Cross multiply
    571,623.24x = 788,905.08 × 329,970.64
  4. Step 4: Simplify right side
    571,623.24x = 260,315,514,146.85
  5. Step 5: Solve for x
    x = 260,315,514,146.85/571,623.24
  6. Step 6: Final answer
    x = 455,397.01

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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.