Home / 1,256,600.08-1,870,687.61-1,249,126.72

Finding the Fourth Proportional to 1,256,600.08, 1,870,687.61 and 1,249,126.72

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Solution

The fourth proportional to 1,256,600.08, 1,870,687.61 and 1,249,126.72 is: 1,859,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,600.08 : 1,870,687.61 = 1,249,126.72 : x
  2. Step 2: Convert to fraction form
    1,256,600.08/1,870,687.61 = 1,249,126.72/x
  3. Step 3: Cross multiply
    1,256,600.08x = 1,870,687.61 × 1,249,126.72
  4. Step 4: Simplify right side
    1,256,600.08x = 2,336,725,878,423.94
  5. Step 5: Solve for x
    x = 2,336,725,878,423.94/1,256,600.08
  6. Step 6: Final answer
    x = 1,859,562.10

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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.