Home / 1,022,926.20-1,534,389.30-312,955.80

Finding the Fourth Proportional to 1,022,926.20, 1,534,389.30 and 312,955.80

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Solution

The fourth proportional to 1,022,926.20, 1,534,389.30 and 312,955.80 is: 469,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,926.20 : 1,534,389.30 = 312,955.80 : x
  2. Step 2: Convert to fraction form
    1,022,926.20/1,534,389.30 = 312,955.80/x
  3. Step 3: Cross multiply
    1,022,926.20x = 1,534,389.30 × 312,955.80
  4. Step 4: Simplify right side
    1,022,926.20x = 480,196,030,892.94
  5. Step 5: Solve for x
    x = 480,196,030,892.94/1,022,926.20
  6. Step 6: Final answer
    x = 469,433.70

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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.