Home / 1,093,766.40-1,640,430.90-525,146.40

Finding the Fourth Proportional to 1,093,766.40, 1,640,430.90 and 525,146.40

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Solution

The fourth proportional to 1,093,766.40, 1,640,430.90 and 525,146.40 is: 787,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,766.40 : 1,640,430.90 = 525,146.40 : x
  2. Step 2: Convert to fraction form
    1,093,766.40/1,640,430.90 = 525,146.40/x
  3. Step 3: Cross multiply
    1,093,766.40x = 1,640,430.90 × 525,146.40
  4. Step 4: Simplify right side
    1,093,766.40x = 861,466,381,583.76
  5. Step 5: Solve for x
    x = 861,466,381,583.76/1,093,766.40
  6. Step 6: Final answer
    x = 787,614.60

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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.