Home / 571,577.31-856,678.28-211,461.03

Finding the Fourth Proportional to 571,577.31, 856,678.28 and 211,461.03

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Solution

The fourth proportional to 571,577.31, 856,678.28 and 211,461.03 is: 316,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,577.31 : 856,678.28 = 211,461.03 : x
  2. Step 2: Convert to fraction form
    571,577.31/856,678.28 = 211,461.03/x
  3. Step 3: Cross multiply
    571,577.31x = 856,678.28 × 211,461.03
  4. Step 4: Simplify right side
    571,577.31x = 181,154,070,410.12
  5. Step 5: Solve for x
    x = 181,154,070,410.12/571,577.31
  6. Step 6: Final answer
    x = 316,937.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.