Home / 464,905.40-697,358.10-461,406.20

Finding the Fourth Proportional to 464,905.40, 697,358.10 and 461,406.20

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Solution

The fourth proportional to 464,905.40, 697,358.10 and 461,406.20 is: 692,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,905.40 : 697,358.10 = 461,406.20 : x
  2. Step 2: Convert to fraction form
    464,905.40/697,358.10 = 461,406.20/x
  3. Step 3: Cross multiply
    464,905.40x = 697,358.10 × 461,406.20
  4. Step 4: Simplify right side
    464,905.40x = 321,765,350,960.22
  5. Step 5: Solve for x
    x = 321,765,350,960.22/464,905.40
  6. Step 6: Final answer
    x = 692,109.30

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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.