Home / 1,122,261.40-1,683,392.10-561,093.40

Finding the Fourth Proportional to 1,122,261.40, 1,683,392.10 and 561,093.40

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Solution

The fourth proportional to 1,122,261.40, 1,683,392.10 and 561,093.40 is: 841,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,261.40 : 1,683,392.10 = 561,093.40 : x
  2. Step 2: Convert to fraction form
    1,122,261.40/1,683,392.10 = 561,093.40/x
  3. Step 3: Cross multiply
    1,122,261.40x = 1,683,392.10 × 561,093.40
  4. Step 4: Simplify right side
    1,122,261.40x = 944,540,196,922.14
  5. Step 5: Solve for x
    x = 944,540,196,922.14/1,122,261.40
  6. Step 6: Final answer
    x = 841,640.10

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Half scale
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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.