Home / 1,316,615.16-1,974,721.05-417,940.41

Finding the Fourth Proportional to 1,316,615.16, 1,974,721.05 and 417,940.41

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Solution

The fourth proportional to 1,316,615.16, 1,974,721.05 and 417,940.41 is: 626,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,615.16 : 1,974,721.05 = 417,940.41 : x
  2. Step 2: Convert to fraction form
    1,316,615.16/1,974,721.05 = 417,940.41/x
  3. Step 3: Cross multiply
    1,316,615.16x = 1,974,721.05 × 417,940.41
  4. Step 4: Simplify right side
    1,316,615.16x = 825,315,725,272.63
  5. Step 5: Solve for x
    x = 825,315,725,272.63/1,316,615.16
  6. Step 6: Final answer
    x = 626,846.59

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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.