Home / 807,869.58-1,114,867.44-445,307.34

Finding the Fourth Proportional to 807,869.58, 1,114,867.44 and 445,307.34

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Solution

The fourth proportional to 807,869.58, 1,114,867.44 and 445,307.34 is: 614,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,869.58 : 1,114,867.44 = 445,307.34 : x
  2. Step 2: Convert to fraction form
    807,869.58/1,114,867.44 = 445,307.34/x
  3. Step 3: Cross multiply
    807,869.58x = 1,114,867.44 × 445,307.34
  4. Step 4: Simplify right side
    807,869.58x = 496,458,654,159.01
  5. Step 5: Solve for x
    x = 496,458,654,159.01/807,869.58
  6. Step 6: Final answer
    x = 614,528.22

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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.