Home / 1,038,554.60-1,557,716.70-851,239.40

Finding the Fourth Proportional to 1,038,554.60, 1,557,716.70 and 851,239.40

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Solution

The fourth proportional to 1,038,554.60, 1,557,716.70 and 851,239.40 is: 1,276,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,554.60 : 1,557,716.70 = 851,239.40 : x
  2. Step 2: Convert to fraction form
    1,038,554.60/1,557,716.70 = 851,239.40/x
  3. Step 3: Cross multiply
    1,038,554.60x = 1,557,716.70 × 851,239.40
  4. Step 4: Simplify right side
    1,038,554.60x = 1,325,989,829,077.98
  5. Step 5: Solve for x
    x = 1,325,989,829,077.98/1,038,554.60
  6. Step 6: Final answer
    x = 1,276,764.68

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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.