Home / 766,312.94-1,057,467.20-563,216.78

Finding the Fourth Proportional to 766,312.94, 1,057,467.20 and 563,216.78

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Solution

The fourth proportional to 766,312.94, 1,057,467.20 and 563,216.78 is: 777,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,312.94 : 1,057,467.20 = 563,216.78 : x
  2. Step 2: Convert to fraction form
    766,312.94/1,057,467.20 = 563,216.78/x
  3. Step 3: Cross multiply
    766,312.94x = 1,057,467.20 × 563,216.78
  4. Step 4: Simplify right side
    766,312.94x = 595,583,271,339.62
  5. Step 5: Solve for x
    x = 595,583,271,339.62/766,312.94
  6. Step 6: Final answer
    x = 777,206.33

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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.