Home / 716,334.09-988,397.66-410,506.40

Finding the Fourth Proportional to 716,334.09, 988,397.66 and 410,506.40

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Solution

The fourth proportional to 716,334.09, 988,397.66 and 410,506.40 is: 566,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,334.09 : 988,397.66 = 410,506.40 : x
  2. Step 2: Convert to fraction form
    716,334.09/988,397.66 = 410,506.40/x
  3. Step 3: Cross multiply
    716,334.09x = 988,397.66 × 410,506.40
  4. Step 4: Simplify right side
    716,334.09x = 405,743,567,949.92
  5. Step 5: Solve for x
    x = 405,743,567,949.92/716,334.09
  6. Step 6: Final answer
    x = 566,416.67

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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.