Home / 804,038.82-1,110,092.82-498,441.80

Finding the Fourth Proportional to 804,038.82, 1,110,092.82 and 498,441.80

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Solution

The fourth proportional to 804,038.82, 1,110,092.82 and 498,441.80 is: 688,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,038.82 : 1,110,092.82 = 498,441.80 : x
  2. Step 2: Convert to fraction form
    804,038.82/1,110,092.82 = 498,441.80/x
  3. Step 3: Cross multiply
    804,038.82x = 1,110,092.82 × 498,441.80
  4. Step 4: Simplify right side
    804,038.82x = 553,316,663,367.88
  5. Step 5: Solve for x
    x = 553,316,663,367.88/804,038.82
  6. Step 6: Final answer
    x = 688,171.58

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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.