Home / 916,016.45-1,264,122.96-508,105.00

Finding the Fourth Proportional to 916,016.45, 1,264,122.96 and 508,105.00

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Solution

The fourth proportional to 916,016.45, 1,264,122.96 and 508,105.00 is: 701,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,016.45 : 1,264,122.96 = 508,105.00 : x
  2. Step 2: Convert to fraction form
    916,016.45/1,264,122.96 = 508,105.00/x
  3. Step 3: Cross multiply
    916,016.45x = 1,264,122.96 × 508,105.00
  4. Step 4: Simplify right side
    916,016.45x = 642,307,196,265.56
  5. Step 5: Solve for x
    x = 642,307,196,265.56/916,016.45
  6. Step 6: Final answer
    x = 701,196.14

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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.