Home / 1,239,784.40-1,859,417.40-529,835.60

Finding the Fourth Proportional to 1,239,784.40, 1,859,417.40 and 529,835.60

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Solution

The fourth proportional to 1,239,784.40, 1,859,417.40 and 529,835.60 is: 794,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,784.40 : 1,859,417.40 = 529,835.60 : x
  2. Step 2: Convert to fraction form
    1,239,784.40/1,859,417.40 = 529,835.60/x
  3. Step 3: Cross multiply
    1,239,784.40x = 1,859,417.40 × 529,835.60
  4. Step 4: Simplify right side
    1,239,784.40x = 985,185,533,779.44
  5. Step 5: Solve for x
    x = 985,185,533,779.44/1,239,784.40
  6. Step 6: Final answer
    x = 794,642.63

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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.