Home / 938,795.09-1,295,514.29-509,064.17

Finding the Fourth Proportional to 938,795.09, 1,295,514.29 and 509,064.17

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Solution

The fourth proportional to 938,795.09, 1,295,514.29 and 509,064.17 is: 702,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,795.09 : 1,295,514.29 = 509,064.17 : x
  2. Step 2: Convert to fraction form
    938,795.09/1,295,514.29 = 509,064.17/x
  3. Step 3: Cross multiply
    938,795.09x = 1,295,514.29 × 509,064.17
  4. Step 4: Simplify right side
    938,795.09x = 659,499,904,216.67
  5. Step 5: Solve for x
    x = 659,499,904,216.67/938,795.09
  6. Step 6: Final answer
    x = 702,496.12

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Double scale
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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.