Home / 1,205,479.59-1,808,219.37-939,439.14

Finding the Fourth Proportional to 1,205,479.59, 1,808,219.37 and 939,439.14

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Solution

The fourth proportional to 1,205,479.59, 1,808,219.37 and 939,439.14 is: 1,409,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,479.59 : 1,808,219.37 = 939,439.14 : x
  2. Step 2: Convert to fraction form
    1,205,479.59/1,808,219.37 = 939,439.14/x
  3. Step 3: Cross multiply
    1,205,479.59x = 1,808,219.37 × 939,439.14
  4. Step 4: Simplify right side
    1,205,479.59x = 1,698,712,049,884.14
  5. Step 5: Solve for x
    x = 1,698,712,049,884.14/1,205,479.59
  6. Step 6: Final answer
    x = 1,409,158.70

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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.