Home / 1,258,820.40-1,737,192-685,860.32

Finding the Fourth Proportional to 1,258,820.40, 1,737,192 and 685,860.32

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Solution

The fourth proportional to 1,258,820.40, 1,737,192 and 685,860.32 is: 946,498.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,820.40 : 1,737,192 = 685,860.32 : x
  2. Step 2: Convert to fraction form
    1,258,820.40/1,737,192 = 685,860.32/x
  3. Step 3: Cross multiply
    1,258,820.40x = 1,737,192 × 685,860.32
  4. Step 4: Simplify right side
    1,258,820.40x = 1,191,471,061,021.44
  5. Step 5: Solve for x
    x = 1,191,471,061,021.44/1,258,820.40
  6. Step 6: Final answer
    x = 946,498.06

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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.