Home / 1,444,901.96-2,167,445.28-485,318.72

Finding the Fourth Proportional to 1,444,901.96, 2,167,445.28 and 485,318.72

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Solution

The fourth proportional to 1,444,901.96, 2,167,445.28 and 485,318.72 is: 728,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,901.96 : 2,167,445.28 = 485,318.72 : x
  2. Step 2: Convert to fraction form
    1,444,901.96/2,167,445.28 = 485,318.72/x
  3. Step 3: Cross multiply
    1,444,901.96x = 2,167,445.28 × 485,318.72
  4. Step 4: Simplify right side
    1,444,901.96x = 1,051,901,768,959.64
  5. Step 5: Solve for x
    x = 1,051,901,768,959.64/1,444,901.96
  6. Step 6: Final answer
    x = 728,009.10

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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.