Home / 756,353.32-1,043,762.34-416,821.96

Finding the Fourth Proportional to 756,353.32, 1,043,762.34 and 416,821.96

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Solution

The fourth proportional to 756,353.32, 1,043,762.34 and 416,821.96 is: 575,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,353.32 : 1,043,762.34 = 416,821.96 : x
  2. Step 2: Convert to fraction form
    756,353.32/1,043,762.34 = 416,821.96/x
  3. Step 3: Cross multiply
    756,353.32x = 1,043,762.34 × 416,821.96
  4. Step 4: Simplify right side
    756,353.32x = 435,063,064,332.99
  5. Step 5: Solve for x
    x = 435,063,064,332.99/756,353.32
  6. Step 6: Final answer
    x = 575,211.42

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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.