Home / 1,181,162.79-1,772,026.40-382,445.21

Finding the Fourth Proportional to 1,181,162.79, 1,772,026.40 and 382,445.21

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Solution

The fourth proportional to 1,181,162.79, 1,772,026.40 and 382,445.21 is: 573,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,162.79 : 1,772,026.40 = 382,445.21 : x
  2. Step 2: Convert to fraction form
    1,181,162.79/1,772,026.40 = 382,445.21/x
  3. Step 3: Cross multiply
    1,181,162.79x = 1,772,026.40 × 382,445.21
  4. Step 4: Simplify right side
    1,181,162.79x = 677,703,014,059.72
  5. Step 5: Solve for x
    x = 677,703,014,059.72/1,181,162.79
  6. Step 6: Final answer
    x = 573,759.20

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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.