Home / 1,101,954.22-1,520,613.44-618,425.95

Finding the Fourth Proportional to 1,101,954.22, 1,520,613.44 and 618,425.95

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Solution

The fourth proportional to 1,101,954.22, 1,520,613.44 and 618,425.95 is: 853,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,954.22 : 1,520,613.44 = 618,425.95 : x
  2. Step 2: Convert to fraction form
    1,101,954.22/1,520,613.44 = 618,425.95/x
  3. Step 3: Cross multiply
    1,101,954.22x = 1,520,613.44 × 618,425.95
  4. Step 4: Simplify right side
    1,101,954.22x = 940,386,802,065.64
  5. Step 5: Solve for x
    x = 940,386,802,065.64/1,101,954.22
  6. Step 6: Final answer
    x = 853,381.01

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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.