Home / 1,294,637.40-1,941,956.10-453,274.20

Finding the Fourth Proportional to 1,294,637.40, 1,941,956.10 and 453,274.20

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Solution

The fourth proportional to 1,294,637.40, 1,941,956.10 and 453,274.20 is: 679,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,637.40 : 1,941,956.10 = 453,274.20 : x
  2. Step 2: Convert to fraction form
    1,294,637.40/1,941,956.10 = 453,274.20/x
  3. Step 3: Cross multiply
    1,294,637.40x = 1,941,956.10 × 453,274.20
  4. Step 4: Simplify right side
    1,294,637.40x = 880,238,597,662.62
  5. Step 5: Solve for x
    x = 880,238,597,662.62/1,294,637.40
  6. Step 6: Final answer
    x = 679,911.30

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Double scale
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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.