Home / 809,800.34-1,116,801.33-523,018.58

Finding the Fourth Proportional to 809,800.34, 1,116,801.33 and 523,018.58

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Solution

The fourth proportional to 809,800.34, 1,116,801.33 and 523,018.58 is: 721,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,800.34 : 1,116,801.33 = 523,018.58 : x
  2. Step 2: Convert to fraction form
    809,800.34/1,116,801.33 = 523,018.58/x
  3. Step 3: Cross multiply
    809,800.34x = 1,116,801.33 × 523,018.58
  4. Step 4: Simplify right side
    809,800.34x = 584,107,845,758.71
  5. Step 5: Solve for x
    x = 584,107,845,758.71/809,800.34
  6. Step 6: Final answer
    x = 721,298.59

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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.