Home / 1,245,389.50-1,868,084.25-403,941.25

Finding the Fourth Proportional to 1,245,389.50, 1,868,084.25 and 403,941.25

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Solution

The fourth proportional to 1,245,389.50, 1,868,084.25 and 403,941.25 is: 605,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,389.50 : 1,868,084.25 = 403,941.25 : x
  2. Step 2: Convert to fraction form
    1,245,389.50/1,868,084.25 = 403,941.25/x
  3. Step 3: Cross multiply
    1,245,389.50x = 1,868,084.25 × 403,941.25
  4. Step 4: Simplify right side
    1,245,389.50x = 754,596,287,050.31
  5. Step 5: Solve for x
    x = 754,596,287,050.31/1,245,389.50
  6. Step 6: Final answer
    x = 605,911.88

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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.