Home / 756,222.75-1,043,609.27-416,712.87

Finding the Fourth Proportional to 756,222.75, 1,043,609.27 and 416,712.87

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Solution

The fourth proportional to 756,222.75, 1,043,609.27 and 416,712.87 is: 575,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,222.75 : 1,043,609.27 = 416,712.87 : x
  2. Step 2: Convert to fraction form
    756,222.75/1,043,609.27 = 416,712.87/x
  3. Step 3: Cross multiply
    756,222.75x = 1,043,609.27 × 416,712.87
  4. Step 4: Simplify right side
    756,222.75x = 434,885,411,976.74
  5. Step 5: Solve for x
    x = 434,885,411,976.74/756,222.75
  6. Step 6: Final answer
    x = 575,075.81

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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.