Home / 805,933.96-1,112,148.67-443,348.50

Finding the Fourth Proportional to 805,933.96, 1,112,148.67 and 443,348.50

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Solution

The fourth proportional to 805,933.96, 1,112,148.67 and 443,348.50 is: 611,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,933.96 : 1,112,148.67 = 443,348.50 : x
  2. Step 2: Convert to fraction form
    805,933.96/1,112,148.67 = 443,348.50/x
  3. Step 3: Cross multiply
    805,933.96x = 1,112,148.67 × 443,348.50
  4. Step 4: Simplify right side
    805,933.96x = 493,069,444,621.50
  5. Step 5: Solve for x
    x = 493,069,444,621.50/805,933.96
  6. Step 6: Final answer
    x = 611,798.82

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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.