Home / 986,229.60-1,478,323.80-535,999.20

Finding the Fourth Proportional to 986,229.60, 1,478,323.80 and 535,999.20

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Solution

The fourth proportional to 986,229.60, 1,478,323.80 and 535,999.20 is: 803,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,229.60 : 1,478,323.80 = 535,999.20 : x
  2. Step 2: Convert to fraction form
    986,229.60/1,478,323.80 = 535,999.20/x
  3. Step 3: Cross multiply
    986,229.60x = 1,478,323.80 × 535,999.20
  4. Step 4: Simplify right side
    986,229.60x = 792,380,374,140.96
  5. Step 5: Solve for x
    x = 792,380,374,140.96/986,229.60
  6. Step 6: Final answer
    x = 803,444.12

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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.