Home / 698,080.32-1,047,120.36-199,444.32

Finding the Fourth Proportional to 698,080.32, 1,047,120.36 and 199,444.32

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Solution

The fourth proportional to 698,080.32, 1,047,120.36 and 199,444.32 is: 299,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,080.32 : 1,047,120.36 = 199,444.32 : x
  2. Step 2: Convert to fraction form
    698,080.32/1,047,120.36 = 199,444.32/x
  3. Step 3: Cross multiply
    698,080.32x = 1,047,120.36 × 199,444.32
  4. Step 4: Simplify right side
    698,080.32x = 208,842,208,158.36
  5. Step 5: Solve for x
    x = 208,842,208,158.36/698,080.32
  6. Step 6: Final answer
    x = 299,166.45

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Double scale
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Similar ratio
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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.