Home / 913,103.76-1,260,076.36-510,695.76

Finding the Fourth Proportional to 913,103.76, 1,260,076.36 and 510,695.76

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Solution

The fourth proportional to 913,103.76, 1,260,076.36 and 510,695.76 is: 704,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,103.76 : 1,260,076.36 = 510,695.76 : x
  2. Step 2: Convert to fraction form
    913,103.76/1,260,076.36 = 510,695.76/x
  3. Step 3: Cross multiply
    913,103.76x = 1,260,076.36 × 510,695.76
  4. Step 4: Simplify right side
    913,103.76x = 643,515,654,328.23
  5. Step 5: Solve for x
    x = 643,515,654,328.23/913,103.76
  6. Step 6: Final answer
    x = 704,756.33

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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.