Home / 1,111,211.40-1,666,817.10-401,262.60

Finding the Fourth Proportional to 1,111,211.40, 1,666,817.10 and 401,262.60

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Solution

The fourth proportional to 1,111,211.40, 1,666,817.10 and 401,262.60 is: 601,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,211.40 : 1,666,817.10 = 401,262.60 : x
  2. Step 2: Convert to fraction form
    1,111,211.40/1,666,817.10 = 401,262.60/x
  3. Step 3: Cross multiply
    1,111,211.40x = 1,666,817.10 × 401,262.60
  4. Step 4: Simplify right side
    1,111,211.40x = 668,831,363,270.46
  5. Step 5: Solve for x
    x = 668,831,363,270.46/1,111,211.40
  6. Step 6: Final answer
    x = 601,893.90

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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.