Home / 1,233,339.77-1,702,021.50-689,505.77

Finding the Fourth Proportional to 1,233,339.77, 1,702,021.50 and 689,505.77

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Solution

The fourth proportional to 1,233,339.77, 1,702,021.50 and 689,505.77 is: 951,525.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,339.77 : 1,702,021.50 = 689,505.77 : x
  2. Step 2: Convert to fraction form
    1,233,339.77/1,702,021.50 = 689,505.77/x
  3. Step 3: Cross multiply
    1,233,339.77x = 1,702,021.50 × 689,505.77
  4. Step 4: Simplify right side
    1,233,339.77x = 1,173,553,649,169.11
  5. Step 5: Solve for x
    x = 1,173,553,649,169.11/1,233,339.77
  6. Step 6: Final answer
    x = 951,525.02

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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.