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Finding the Fourth Proportional to 777,812.02, 1,072,813.71 and 594,464.87

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Solution

The fourth proportional to 777,812.02, 1,072,813.71 and 594,464.87 is: 819,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,812.02 : 1,072,813.71 = 594,464.87 : x
  2. Step 2: Convert to fraction form
    777,812.02/1,072,813.71 = 594,464.87/x
  3. Step 3: Cross multiply
    777,812.02x = 1,072,813.71 × 594,464.87
  4. Step 4: Simplify right side
    777,812.02x = 637,750,067,560.65
  5. Step 5: Solve for x
    x = 637,750,067,560.65/777,812.02
  6. Step 6: Final answer
    x = 819,928.28

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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.