Home / 738,106.75-1,018,662.56-451,816.03

Finding the Fourth Proportional to 738,106.75, 1,018,662.56 and 451,816.03

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Solution

The fourth proportional to 738,106.75, 1,018,662.56 and 451,816.03 is: 623,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,106.75 : 1,018,662.56 = 451,816.03 : x
  2. Step 2: Convert to fraction form
    738,106.75/1,018,662.56 = 451,816.03/x
  3. Step 3: Cross multiply
    738,106.75x = 1,018,662.56 × 451,816.03
  4. Step 4: Simplify right side
    738,106.75x = 460,248,073,768.84
  5. Step 5: Solve for x
    x = 460,248,073,768.84/738,106.75
  6. Step 6: Final answer
    x = 623,552.18

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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.