Home / 1,294,718.63-1,786,818.12-714,055.35

Finding the Fourth Proportional to 1,294,718.63, 1,786,818.12 and 714,055.35

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Solution

The fourth proportional to 1,294,718.63, 1,786,818.12 and 714,055.35 is: 985,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,718.63 : 1,786,818.12 = 714,055.35 : x
  2. Step 2: Convert to fraction form
    1,294,718.63/1,786,818.12 = 714,055.35/x
  3. Step 3: Cross multiply
    1,294,718.63x = 1,786,818.12 × 714,055.35
  4. Step 4: Simplify right side
    1,294,718.63x = 1,275,887,042,978.37
  5. Step 5: Solve for x
    x = 1,275,887,042,978.37/1,294,718.63
  6. Step 6: Final answer
    x = 985,455.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.