Home / 916,672.60-1,265,240.70-626,401.66

Finding the Fourth Proportional to 916,672.60, 1,265,240.70 and 626,401.66

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Solution

The fourth proportional to 916,672.60, 1,265,240.70 and 626,401.66 is: 864,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,672.60 : 1,265,240.70 = 626,401.66 : x
  2. Step 2: Convert to fraction form
    916,672.60/1,265,240.70 = 626,401.66/x
  3. Step 3: Cross multiply
    916,672.60x = 1,265,240.70 × 626,401.66
  4. Step 4: Simplify right side
    916,672.60x = 792,548,874,779.56
  5. Step 5: Solve for x
    x = 792,548,874,779.56/916,672.60
  6. Step 6: Final answer
    x = 864,593.18

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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.