Home / 803,795.25-1,109,239.03-477,173.77

Finding the Fourth Proportional to 803,795.25, 1,109,239.03 and 477,173.77

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Solution

The fourth proportional to 803,795.25, 1,109,239.03 and 477,173.77 is: 658,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,795.25 : 1,109,239.03 = 477,173.77 : x
  2. Step 2: Convert to fraction form
    803,795.25/1,109,239.03 = 477,173.77/x
  3. Step 3: Cross multiply
    803,795.25x = 1,109,239.03 × 477,173.77
  4. Step 4: Simplify right side
    803,795.25x = 529,299,769,776.24
  5. Step 5: Solve for x
    x = 529,299,769,776.24/803,795.25
  6. Step 6: Final answer
    x = 658,500.74

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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.