Home / 1,265,434.20-1,898,317.80-467,276.40

Finding the Fourth Proportional to 1,265,434.20, 1,898,317.80 and 467,276.40

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Solution

The fourth proportional to 1,265,434.20, 1,898,317.80 and 467,276.40 is: 700,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,434.20 : 1,898,317.80 = 467,276.40 : x
  2. Step 2: Convert to fraction form
    1,265,434.20/1,898,317.80 = 467,276.40/x
  3. Step 3: Cross multiply
    1,265,434.20x = 1,898,317.80 × 467,276.40
  4. Step 4: Simplify right side
    1,265,434.20x = 887,039,107,639.92
  5. Step 5: Solve for x
    x = 887,039,107,639.92/1,265,434.20
  6. Step 6: Final answer
    x = 700,976.08

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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.