Home / 1,239,813.40-1,859,892.90-529,835.80

Finding the Fourth Proportional to 1,239,813.40, 1,859,892.90 and 529,835.80

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Solution

The fourth proportional to 1,239,813.40, 1,859,892.90 and 529,835.80 is: 794,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,813.40 : 1,859,892.90 = 529,835.80 : x
  2. Step 2: Convert to fraction form
    1,239,813.40/1,859,892.90 = 529,835.80/x
  3. Step 3: Cross multiply
    1,239,813.40x = 1,859,892.90 × 529,835.80
  4. Step 4: Simplify right side
    1,239,813.40x = 985,437,842,585.82
  5. Step 5: Solve for x
    x = 985,437,842,585.82/1,239,813.40
  6. Step 6: Final answer
    x = 794,827.55

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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.