Home / 1,409,405.80-2,114,339.10-462,519.40

Finding the Fourth Proportional to 1,409,405.80, 2,114,339.10 and 462,519.40

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Solution

The fourth proportional to 1,409,405.80, 2,114,339.10 and 462,519.40 is: 693,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,405.80 : 2,114,339.10 = 462,519.40 : x
  2. Step 2: Convert to fraction form
    1,409,405.80/2,114,339.10 = 462,519.40/x
  3. Step 3: Cross multiply
    1,409,405.80x = 2,114,339.10 × 462,519.40
  4. Step 4: Simplify right side
    1,409,405.80x = 977,922,851,928.54
  5. Step 5: Solve for x
    x = 977,922,851,928.54/1,409,405.80
  6. Step 6: Final answer
    x = 693,854.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.