Home / 1,059,211.52-1,461,344.64-677,461.76

Finding the Fourth Proportional to 1,059,211.52, 1,461,344.64 and 677,461.76

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Solution

The fourth proportional to 1,059,211.52, 1,461,344.64 and 677,461.76 is: 934,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,211.52 : 1,461,344.64 = 677,461.76 : x
  2. Step 2: Convert to fraction form
    1,059,211.52/1,461,344.64 = 677,461.76/x
  3. Step 3: Cross multiply
    1,059,211.52x = 1,461,344.64 × 677,461.76
  4. Step 4: Simplify right side
    1,059,211.52x = 990,005,111,780.97
  5. Step 5: Solve for x
    x = 990,005,111,780.97/1,059,211.52
  6. Step 6: Final answer
    x = 934,662.33

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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.