Home / 756,355.32-1,043,765.10-416,823.96

Finding the Fourth Proportional to 756,355.32, 1,043,765.10 and 416,823.96

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Solution

The fourth proportional to 756,355.32, 1,043,765.10 and 416,823.96 is: 575,214.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,355.32 : 1,043,765.10 = 416,823.96 : x
  2. Step 2: Convert to fraction form
    756,355.32/1,043,765.10 = 416,823.96/x
  3. Step 3: Cross multiply
    756,355.32x = 1,043,765.10 × 416,823.96
  4. Step 4: Simplify right side
    756,355.32x = 435,066,302,291.80
  5. Step 5: Solve for x
    x = 435,066,302,291.80/756,355.32
  6. Step 6: Final answer
    x = 575,214.18

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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.