Home / 1,908,688.65-2,862,958.15-646,516.23

Finding the Fourth Proportional to 1,908,688.65, 2,862,958.15 and 646,516.23

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Solution

The fourth proportional to 1,908,688.65, 2,862,958.15 and 646,516.23 is: 969,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,688.65 : 2,862,958.15 = 646,516.23 : x
  2. Step 2: Convert to fraction form
    1,908,688.65/2,862,958.15 = 646,516.23/x
  3. Step 3: Cross multiply
    1,908,688.65x = 2,862,958.15 × 646,516.23
  4. Step 4: Simplify right side
    1,908,688.65x = 1,850,948,909,785.77
  5. Step 5: Solve for x
    x = 1,850,948,909,785.77/1,908,688.65
  6. Step 6: Final answer
    x = 969,749.00

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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.