Home / 873,998.16-1,206,116.28-492,148.32

Finding the Fourth Proportional to 873,998.16, 1,206,116.28 and 492,148.32

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Solution

The fourth proportional to 873,998.16, 1,206,116.28 and 492,148.32 is: 679,164.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,998.16 : 1,206,116.28 = 492,148.32 : x
  2. Step 2: Convert to fraction form
    873,998.16/1,206,116.28 = 492,148.32/x
  3. Step 3: Cross multiply
    873,998.16x = 1,206,116.28 × 492,148.32
  4. Step 4: Simplify right side
    873,998.16x = 593,588,100,926.65
  5. Step 5: Solve for x
    x = 593,588,100,926.65/873,998.16
  6. Step 6: Final answer
    x = 679,164.02

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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.