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Finding the Fourth Proportional to 692,736.16, 956,636.09 and 654,996.05

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Solution

The fourth proportional to 692,736.16, 956,636.09 and 654,996.05 is: 904,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,736.16 : 956,636.09 = 654,996.05 : x
  2. Step 2: Convert to fraction form
    692,736.16/956,636.09 = 654,996.05/x
  3. Step 3: Cross multiply
    692,736.16x = 956,636.09 × 654,996.05
  4. Step 4: Simplify right side
    692,736.16x = 626,592,857,091.75
  5. Step 5: Solve for x
    x = 626,592,857,091.75/692,736.16
  6. Step 6: Final answer
    x = 904,518.77

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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.