Home / 937,124.09-1,405,686.32-338,085.05

Finding the Fourth Proportional to 937,124.09, 1,405,686.32 and 338,085.05

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Solution

The fourth proportional to 937,124.09, 1,405,686.32 and 338,085.05 is: 507,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,124.09 : 1,405,686.32 = 338,085.05 : x
  2. Step 2: Convert to fraction form
    937,124.09/1,405,686.32 = 338,085.05/x
  3. Step 3: Cross multiply
    937,124.09x = 1,405,686.32 × 338,085.05
  4. Step 4: Simplify right side
    937,124.09x = 475,241,529,781.52
  5. Step 5: Solve for x
    x = 475,241,529,781.52/937,124.09
  6. Step 6: Final answer
    x = 507,127.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.