Home / 1,131,038.88-1,560,821.04-614,781.60

Finding the Fourth Proportional to 1,131,038.88, 1,560,821.04 and 614,781.60

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Solution

The fourth proportional to 1,131,038.88, 1,560,821.04 and 614,781.60 is: 848,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,038.88 : 1,560,821.04 = 614,781.60 : x
  2. Step 2: Convert to fraction form
    1,131,038.88/1,560,821.04 = 614,781.60/x
  3. Step 3: Cross multiply
    1,131,038.88x = 1,560,821.04 × 614,781.60
  4. Step 4: Simplify right side
    1,131,038.88x = 959,564,056,284.86
  5. Step 5: Solve for x
    x = 959,564,056,284.86/1,131,038.88
  6. Step 6: Final answer
    x = 848,391.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.