Home / 756,440.72-1,043,885.04-416,908.16

Finding the Fourth Proportional to 756,440.72, 1,043,885.04 and 416,908.16

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Solution

The fourth proportional to 756,440.72, 1,043,885.04 and 416,908.16 is: 575,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,440.72 : 1,043,885.04 = 416,908.16 : x
  2. Step 2: Convert to fraction form
    756,440.72/1,043,885.04 = 416,908.16/x
  3. Step 3: Cross multiply
    756,440.72x = 1,043,885.04 × 416,908.16
  4. Step 4: Simplify right side
    756,440.72x = 435,204,191,277.93
  5. Step 5: Solve for x
    x = 435,204,191,277.93/756,440.72
  6. Step 6: Final answer
    x = 575,331.52

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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.