Home / 819,406.02-1,131,494.32-514,007.36

Finding the Fourth Proportional to 819,406.02, 1,131,494.32 and 514,007.36

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Solution

The fourth proportional to 819,406.02, 1,131,494.32 and 514,007.36 is: 709,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,406.02 : 1,131,494.32 = 514,007.36 : x
  2. Step 2: Convert to fraction form
    819,406.02/1,131,494.32 = 514,007.36/x
  3. Step 3: Cross multiply
    819,406.02x = 1,131,494.32 × 514,007.36
  4. Step 4: Simplify right side
    819,406.02x = 581,596,408,278.20
  5. Step 5: Solve for x
    x = 581,596,408,278.20/819,406.02
  6. Step 6: Final answer
    x = 709,778.05

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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.