Home / 857,369.94-1,183,061.76-470,083.44

Finding the Fourth Proportional to 857,369.94, 1,183,061.76 and 470,083.44

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Solution

The fourth proportional to 857,369.94, 1,183,061.76 and 470,083.44 is: 648,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,369.94 : 1,183,061.76 = 470,083.44 : x
  2. Step 2: Convert to fraction form
    857,369.94/1,183,061.76 = 470,083.44/x
  3. Step 3: Cross multiply
    857,369.94x = 1,183,061.76 × 470,083.44
  4. Step 4: Simplify right side
    857,369.94x = 556,137,741,873.25
  5. Step 5: Solve for x
    x = 556,137,741,873.25/857,369.94
  6. Step 6: Final answer
    x = 648,655.52

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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.