Home / 826,851.06-1,142,017.45-661,853.45

Finding the Fourth Proportional to 826,851.06, 1,142,017.45 and 661,853.45

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Solution

The fourth proportional to 826,851.06, 1,142,017.45 and 661,853.45 is: 914,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,851.06 : 1,142,017.45 = 661,853.45 : x
  2. Step 2: Convert to fraction form
    826,851.06/1,142,017.45 = 661,853.45/x
  3. Step 3: Cross multiply
    826,851.06x = 1,142,017.45 × 661,853.45
  4. Step 4: Simplify right side
    826,851.06x = 755,848,190,443.11
  5. Step 5: Solve for x
    x = 755,848,190,443.11/826,851.06
  6. Step 6: Final answer
    x = 914,128.59

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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.