Home / 1,126,718.48-1,688,896.74-416,293.40

Finding the Fourth Proportional to 1,126,718.48, 1,688,896.74 and 416,293.40

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Solution

The fourth proportional to 1,126,718.48, 1,688,896.74 and 416,293.40 is: 624,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,718.48 : 1,688,896.74 = 416,293.40 : x
  2. Step 2: Convert to fraction form
    1,126,718.48/1,688,896.74 = 416,293.40/x
  3. Step 3: Cross multiply
    1,126,718.48x = 1,688,896.74 × 416,293.40
  4. Step 4: Simplify right side
    1,126,718.48x = 703,076,566,143.52
  5. Step 5: Solve for x
    x = 703,076,566,143.52/1,126,718.48
  6. Step 6: Final answer
    x = 624,003.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.