Home / 1,384,287.60-2,076,431.40-373,407.60

Finding the Fourth Proportional to 1,384,287.60, 2,076,431.40 and 373,407.60

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Solution

The fourth proportional to 1,384,287.60, 2,076,431.40 and 373,407.60 is: 560,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,287.60 : 2,076,431.40 = 373,407.60 : x
  2. Step 2: Convert to fraction form
    1,384,287.60/2,076,431.40 = 373,407.60/x
  3. Step 3: Cross multiply
    1,384,287.60x = 2,076,431.40 × 373,407.60
  4. Step 4: Simplify right side
    1,384,287.60x = 775,355,265,638.64
  5. Step 5: Solve for x
    x = 775,355,265,638.64/1,384,287.60
  6. Step 6: Final answer
    x = 560,111.40

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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.