Home / 1,088,855.40-1,632,116.70-489,714.60

Finding the Fourth Proportional to 1,088,855.40, 1,632,116.70 and 489,714.60

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Solution

The fourth proportional to 1,088,855.40, 1,632,116.70 and 489,714.60 is: 734,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,855.40 : 1,632,116.70 = 489,714.60 : x
  2. Step 2: Convert to fraction form
    1,088,855.40/1,632,116.70 = 489,714.60/x
  3. Step 3: Cross multiply
    1,088,855.40x = 1,632,116.70 × 489,714.60
  4. Step 4: Simplify right side
    1,088,855.40x = 799,271,376,893.82
  5. Step 5: Solve for x
    x = 799,271,376,893.82/1,088,855.40
  6. Step 6: Final answer
    x = 734,047.31

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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.