Home / 571,428.19-856,814.23-171,950.77

Finding the Fourth Proportional to 571,428.19, 856,814.23 and 171,950.77

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Solution

The fourth proportional to 571,428.19, 856,814.23 and 171,950.77 is: 257,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,428.19 : 856,814.23 = 171,950.77 : x
  2. Step 2: Convert to fraction form
    571,428.19/856,814.23 = 171,950.77/x
  3. Step 3: Cross multiply
    571,428.19x = 856,814.23 × 171,950.77
  4. Step 4: Simplify right side
    571,428.19x = 147,329,866,595.46
  5. Step 5: Solve for x
    x = 147,329,866,595.46/571,428.19
  6. Step 6: Final answer
    x = 257,827.44

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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.