Home / 1,112,181.40-1,668,272.10-402,232.60

Finding the Fourth Proportional to 1,112,181.40, 1,668,272.10 and 402,232.60

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Solution

The fourth proportional to 1,112,181.40, 1,668,272.10 and 402,232.60 is: 603,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,181.40 : 1,668,272.10 = 402,232.60 : x
  2. Step 2: Convert to fraction form
    1,112,181.40/1,668,272.10 = 402,232.60/x
  3. Step 3: Cross multiply
    1,112,181.40x = 1,668,272.10 × 402,232.60
  4. Step 4: Simplify right side
    1,112,181.40x = 671,033,424,290.46
  5. Step 5: Solve for x
    x = 671,033,424,290.46/1,112,181.40
  6. Step 6: Final answer
    x = 603,348.90

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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.