Home / 1,651,753.22-2,478,532.86-640,915.02

Finding the Fourth Proportional to 1,651,753.22, 2,478,532.86 and 640,915.02

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Solution

The fourth proportional to 1,651,753.22, 2,478,532.86 and 640,915.02 is: 961,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,753.22 : 2,478,532.86 = 640,915.02 : x
  2. Step 2: Convert to fraction form
    1,651,753.22/2,478,532.86 = 640,915.02/x
  3. Step 3: Cross multiply
    1,651,753.22x = 2,478,532.86 × 640,915.02
  4. Step 4: Simplify right side
    1,651,753.22x = 1,588,528,937,537.56
  5. Step 5: Solve for x
    x = 1,588,528,937,537.56/1,651,753.22
  6. Step 6: Final answer
    x = 961,722.93

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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.