Home / 1,411,689.60-2,117,534.40-400,809.60

Finding the Fourth Proportional to 1,411,689.60, 2,117,534.40 and 400,809.60

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Solution

The fourth proportional to 1,411,689.60, 2,117,534.40 and 400,809.60 is: 601,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,689.60 : 2,117,534.40 = 400,809.60 : x
  2. Step 2: Convert to fraction form
    1,411,689.60/2,117,534.40 = 400,809.60/x
  3. Step 3: Cross multiply
    1,411,689.60x = 2,117,534.40 × 400,809.60
  4. Step 4: Simplify right side
    1,411,689.60x = 848,728,115,850.24
  5. Step 5: Solve for x
    x = 848,728,115,850.24/1,411,689.60
  6. Step 6: Final answer
    x = 601,214.40

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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.