Home / 1,088,026.80-1,632,040.20-422,746.80

Finding the Fourth Proportional to 1,088,026.80, 1,632,040.20 and 422,746.80

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Solution

The fourth proportional to 1,088,026.80, 1,632,040.20 and 422,746.80 is: 634,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,026.80 : 1,632,040.20 = 422,746.80 : x
  2. Step 2: Convert to fraction form
    1,088,026.80/1,632,040.20 = 422,746.80/x
  3. Step 3: Cross multiply
    1,088,026.80x = 1,632,040.20 × 422,746.80
  4. Step 4: Simplify right side
    1,088,026.80x = 689,939,772,021.36
  5. Step 5: Solve for x
    x = 689,939,772,021.36/1,088,026.80
  6. Step 6: Final answer
    x = 634,120.20

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Double scale
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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.