Home / 1,128,279.83-1,692,419.59-529,240.99

Finding the Fourth Proportional to 1,128,279.83, 1,692,419.59 and 529,240.99

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Solution

The fourth proportional to 1,128,279.83, 1,692,419.59 and 529,240.99 is: 793,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,279.83 : 1,692,419.59 = 529,240.99 : x
  2. Step 2: Convert to fraction form
    1,128,279.83/1,692,419.59 = 529,240.99/x
  3. Step 3: Cross multiply
    1,128,279.83x = 1,692,419.59 × 529,240.99
  4. Step 4: Simplify right side
    1,128,279.83x = 895,697,819,306.99
  5. Step 5: Solve for x
    x = 895,697,819,306.99/1,128,279.83
  6. Step 6: Final answer
    x = 793,861.41

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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.