Home / 1,525,636.61-2,105,405.21-837,372.83

Finding the Fourth Proportional to 1,525,636.61, 2,105,405.21 and 837,372.83

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Solution

The fourth proportional to 1,525,636.61, 2,105,405.21 and 837,372.83 is: 1,155,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,636.61 : 2,105,405.21 = 837,372.83 : x
  2. Step 2: Convert to fraction form
    1,525,636.61/2,105,405.21 = 837,372.83/x
  3. Step 3: Cross multiply
    1,525,636.61x = 2,105,405.21 × 837,372.83
  4. Step 4: Simplify right side
    1,525,636.61x = 1,763,009,114,807.58
  5. Step 5: Solve for x
    x = 1,763,009,114,807.58/1,525,636.61
  6. Step 6: Final answer
    x = 1,155,589.15

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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.