Home / 1,236,365.40-1,853,165.70-526,272.60

Finding the Fourth Proportional to 1,236,365.40, 1,853,165.70 and 526,272.60

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Solution

The fourth proportional to 1,236,365.40, 1,853,165.70 and 526,272.60 is: 788,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,365.40 : 1,853,165.70 = 526,272.60 : x
  2. Step 2: Convert to fraction form
    1,236,365.40/1,853,165.70 = 526,272.60/x
  3. Step 3: Cross multiply
    1,236,365.40x = 1,853,165.70 × 526,272.60
  4. Step 4: Simplify right side
    1,236,365.40x = 975,270,331,169.82
  5. Step 5: Solve for x
    x = 975,270,331,169.82/1,236,365.40
  6. Step 6: Final answer
    x = 788,820.47

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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.