Home / 571,216.26-856,897.29-191,974.26

Finding the Fourth Proportional to 571,216.26, 856,897.29 and 191,974.26

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Solution

The fourth proportional to 571,216.26, 856,897.29 and 191,974.26 is: 287,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,216.26 : 856,897.29 = 191,974.26 : x
  2. Step 2: Convert to fraction form
    571,216.26/856,897.29 = 191,974.26/x
  3. Step 3: Cross multiply
    571,216.26x = 856,897.29 × 191,974.26
  4. Step 4: Simplify right side
    571,216.26x = 164,502,223,143.76
  5. Step 5: Solve for x
    x = 164,502,223,143.76/571,216.26
  6. Step 6: Final answer
    x = 287,985.89

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1.5x scale

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.