Home / 867,928.98-1,197,754.38-500,398.84

Finding the Fourth Proportional to 867,928.98, 1,197,754.38 and 500,398.84

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Solution

The fourth proportional to 867,928.98, 1,197,754.38 and 500,398.84 is: 690,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,928.98 : 1,197,754.38 = 500,398.84 : x
  2. Step 2: Convert to fraction form
    867,928.98/1,197,754.38 = 500,398.84/x
  3. Step 3: Cross multiply
    867,928.98x = 1,197,754.38 × 500,398.84
  4. Step 4: Simplify right side
    867,928.98x = 599,354,903,854.11
  5. Step 5: Solve for x
    x = 599,354,903,854.11/867,928.98
  6. Step 6: Final answer
    x = 690,557.54

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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.