Home / 1,211,886.69-1,818,096.12-359,025.12

Finding the Fourth Proportional to 1,211,886.69, 1,818,096.12 and 359,025.12

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Solution

The fourth proportional to 1,211,886.69, 1,818,096.12 and 359,025.12 is: 538,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,886.69 : 1,818,096.12 = 359,025.12 : x
  2. Step 2: Convert to fraction form
    1,211,886.69/1,818,096.12 = 359,025.12/x
  3. Step 3: Cross multiply
    1,211,886.69x = 1,818,096.12 × 359,025.12
  4. Step 4: Simplify right side
    1,211,886.69x = 652,742,177,654.53
  5. Step 5: Solve for x
    x = 652,742,177,654.53/1,211,886.69
  6. Step 6: Final answer
    x = 538,616.51

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1.5x scale

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.