Home / 1,124,087.86-1,686,127.74-404,428.06

Finding the Fourth Proportional to 1,124,087.86, 1,686,127.74 and 404,428.06

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Solution

The fourth proportional to 1,124,087.86, 1,686,127.74 and 404,428.06 is: 606,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,087.86 : 1,686,127.74 = 404,428.06 : x
  2. Step 2: Convert to fraction form
    1,124,087.86/1,686,127.74 = 404,428.06/x
  3. Step 3: Cross multiply
    1,124,087.86x = 1,686,127.74 × 404,428.06
  4. Step 4: Simplify right side
    1,124,087.86x = 681,917,370,800.38
  5. Step 5: Solve for x
    x = 681,917,370,800.38/1,124,087.86
  6. Step 6: Final answer
    x = 606,640.63

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1.5x scale

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.