Home / 921,873.18-1,271,732.80-616,024.64

Finding the Fourth Proportional to 921,873.18, 1,271,732.80 and 616,024.64

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Solution

The fourth proportional to 921,873.18, 1,271,732.80 and 616,024.64 is: 849,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,873.18 : 1,271,732.80 = 616,024.64 : x
  2. Step 2: Convert to fraction form
    921,873.18/1,271,732.80 = 616,024.64/x
  3. Step 3: Cross multiply
    921,873.18x = 1,271,732.80 × 616,024.64
  4. Step 4: Simplify right side
    921,873.18x = 783,418,740,296.19
  5. Step 5: Solve for x
    x = 783,418,740,296.19/921,873.18
  6. Step 6: Final answer
    x = 849,811.84

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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.