Home / 985,299.39-1,359,597.65-555,553.89

Finding the Fourth Proportional to 985,299.39, 1,359,597.65 and 555,553.89

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Solution

The fourth proportional to 985,299.39, 1,359,597.65 and 555,553.89 is: 766,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,299.39 : 1,359,597.65 = 555,553.89 : x
  2. Step 2: Convert to fraction form
    985,299.39/1,359,597.65 = 555,553.89/x
  3. Step 3: Cross multiply
    985,299.39x = 1,359,597.65 × 555,553.89
  4. Step 4: Simplify right side
    985,299.39x = 755,329,760,514.59
  5. Step 5: Solve for x
    x = 755,329,760,514.59/985,299.39
  6. Step 6: Final answer
    x = 766,599.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.