Home / 2,112,330.70-3,168,496.05-692,044.30

Finding the Fourth Proportional to 2,112,330.70, 3,168,496.05 and 692,044.30

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Solution

The fourth proportional to 2,112,330.70, 3,168,496.05 and 692,044.30 is: 1,038,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,330.70 : 3,168,496.05 = 692,044.30 : x
  2. Step 2: Convert to fraction form
    2,112,330.70/3,168,496.05 = 692,044.30/x
  3. Step 3: Cross multiply
    2,112,330.70x = 3,168,496.05 × 692,044.30
  4. Step 4: Simplify right side
    2,112,330.70x = 2,192,739,630,975.02
  5. Step 5: Solve for x
    x = 2,192,739,630,975.02/2,112,330.70
  6. Step 6: Final answer
    x = 1,038,066.45

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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.