Home / 1,135,803.12-1,567,351.80-626,492.40

Finding the Fourth Proportional to 1,135,803.12, 1,567,351.80 and 626,492.40

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Solution

The fourth proportional to 1,135,803.12, 1,567,351.80 and 626,492.40 is: 864,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,803.12 : 1,567,351.80 = 626,492.40 : x
  2. Step 2: Convert to fraction form
    1,135,803.12/1,567,351.80 = 626,492.40/x
  3. Step 3: Cross multiply
    1,135,803.12x = 1,567,351.80 × 626,492.40
  4. Step 4: Simplify right side
    1,135,803.12x = 981,933,990,826.32
  5. Step 5: Solve for x
    x = 981,933,990,826.32/1,135,803.12
  6. Step 6: Final answer
    x = 864,528.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.