Home / 1,256,516.48-1,870,563.24-1,249,043.15

Finding the Fourth Proportional to 1,256,516.48, 1,870,563.24 and 1,249,043.15

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Solution

The fourth proportional to 1,256,516.48, 1,870,563.24 and 1,249,043.15 is: 1,859,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,516.48 : 1,870,563.24 = 1,249,043.15 : x
  2. Step 2: Convert to fraction form
    1,256,516.48/1,870,563.24 = 1,249,043.15/x
  3. Step 3: Cross multiply
    1,256,516.48x = 1,870,563.24 × 1,249,043.15
  4. Step 4: Simplify right side
    1,256,516.48x = 2,336,414,206,240.21
  5. Step 5: Solve for x
    x = 2,336,414,206,240.21/1,256,516.48
  6. Step 6: Final answer
    x = 1,859,437.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.