Home / 842,680.51-1,162,117.43-536,437.64

Finding the Fourth Proportional to 842,680.51, 1,162,117.43 and 536,437.64

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Solution

The fourth proportional to 842,680.51, 1,162,117.43 and 536,437.64 is: 739,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,680.51 : 1,162,117.43 = 536,437.64 : x
  2. Step 2: Convert to fraction form
    842,680.51/1,162,117.43 = 536,437.64/x
  3. Step 3: Cross multiply
    842,680.51x = 1,162,117.43 × 536,437.64
  4. Step 4: Simplify right side
    842,680.51x = 623,403,527,249.90
  5. Step 5: Solve for x
    x = 623,403,527,249.90/842,680.51
  6. Step 6: Final answer
    x = 739,786.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.