Home / 1,111,420.43-1,533,761.74-602,122.80

Finding the Fourth Proportional to 1,111,420.43, 1,533,761.74 and 602,122.80

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Solution

The fourth proportional to 1,111,420.43, 1,533,761.74 and 602,122.80 is: 830,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,420.43 : 1,533,761.74 = 602,122.80 : x
  2. Step 2: Convert to fraction form
    1,111,420.43/1,533,761.74 = 602,122.80/x
  3. Step 3: Cross multiply
    1,111,420.43x = 1,533,761.74 × 602,122.80
  4. Step 4: Simplify right side
    1,111,420.43x = 923,512,918,640.63
  5. Step 5: Solve for x
    x = 923,512,918,640.63/1,111,420.43
  6. Step 6: Final answer
    x = 830,930.31

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1.5x scale

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.