Home / 857,776.86-1,183,770.72-475,803.54

Finding the Fourth Proportional to 857,776.86, 1,183,770.72 and 475,803.54

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Solution

The fourth proportional to 857,776.86, 1,183,770.72 and 475,803.54 is: 656,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,776.86 : 1,183,770.72 = 475,803.54 : x
  2. Step 2: Convert to fraction form
    857,776.86/1,183,770.72 = 475,803.54/x
  3. Step 3: Cross multiply
    857,776.86x = 1,183,770.72 × 475,803.54
  4. Step 4: Simplify right side
    857,776.86x = 563,242,299,124.35
  5. Step 5: Solve for x
    x = 563,242,299,124.35/857,776.86
  6. Step 6: Final answer
    x = 656,630.33

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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.