Home / 867,929.98-1,197,755.76-500,399.84

Finding the Fourth Proportional to 867,929.98, 1,197,755.76 and 500,399.84

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Solution

The fourth proportional to 867,929.98, 1,197,755.76 and 500,399.84 is: 690,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,929.98 : 1,197,755.76 = 500,399.84 : x
  2. Step 2: Convert to fraction form
    867,929.98/1,197,755.76 = 500,399.84/x
  3. Step 3: Cross multiply
    867,929.98x = 1,197,755.76 × 500,399.84
  4. Step 4: Simplify right side
    867,929.98x = 599,356,790,663.08
  5. Step 5: Solve for x
    x = 599,356,790,663.08/867,929.98
  6. Step 6: Final answer
    x = 690,558.92

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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.