Home / 846,603.40-1,269,905.10-341,406.40

Finding the Fourth Proportional to 846,603.40, 1,269,905.10 and 341,406.40

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Solution

The fourth proportional to 846,603.40, 1,269,905.10 and 341,406.40 is: 512,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,603.40 : 1,269,905.10 = 341,406.40 : x
  2. Step 2: Convert to fraction form
    846,603.40/1,269,905.10 = 341,406.40/x
  3. Step 3: Cross multiply
    846,603.40x = 1,269,905.10 × 341,406.40
  4. Step 4: Simplify right side
    846,603.40x = 433,553,728,532.64
  5. Step 5: Solve for x
    x = 433,553,728,532.64/846,603.40
  6. Step 6: Final answer
    x = 512,109.60

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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.