Home / 955,990-1,319,354.04-526,357.36

Finding the Fourth Proportional to 955,990, 1,319,354.04 and 526,357.36

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Solution

The fourth proportional to 955,990, 1,319,354.04 and 526,357.36 is: 726,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,990 : 1,319,354.04 = 526,357.36 : x
  2. Step 2: Convert to fraction form
    955,990/1,319,354.04 = 526,357.36/x
  3. Step 3: Cross multiply
    955,990x = 1,319,354.04 × 526,357.36
  4. Step 4: Simplify right side
    955,990x = 694,451,709,399.73
  5. Step 5: Solve for x
    x = 694,451,709,399.73/955,990
  6. Step 6: Final answer
    x = 726,421.52

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1.5x scale

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.