Home / 841,860.52-1,262,789.68-210,774.26

Finding the Fourth Proportional to 841,860.52, 1,262,789.68 and 210,774.26

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Solution

The fourth proportional to 841,860.52, 1,262,789.68 and 210,774.26 is: 316,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,860.52 : 1,262,789.68 = 210,774.26 : x
  2. Step 2: Convert to fraction form
    841,860.52/1,262,789.68 = 210,774.26/x
  3. Step 3: Cross multiply
    841,860.52x = 1,262,789.68 × 210,774.26
  4. Step 4: Simplify right side
    841,860.52x = 266,163,560,337.64
  5. Step 5: Solve for x
    x = 266,163,560,337.64/841,860.52
  6. Step 6: Final answer
    x = 316,161.11

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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.