Home / 1,140,823.43-1,574,336.79-624,610.78

Finding the Fourth Proportional to 1,140,823.43, 1,574,336.79 and 624,610.78

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Solution

The fourth proportional to 1,140,823.43, 1,574,336.79 and 624,610.78 is: 861,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,823.43 : 1,574,336.79 = 624,610.78 : x
  2. Step 2: Convert to fraction form
    1,140,823.43/1,574,336.79 = 624,610.78/x
  3. Step 3: Cross multiply
    1,140,823.43x = 1,574,336.79 × 624,610.78
  4. Step 4: Simplify right side
    1,140,823.43x = 983,347,730,384.60
  5. Step 5: Solve for x
    x = 983,347,730,384.60/1,140,823.43
  6. Step 6: Final answer
    x = 861,963.13

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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.