Home / 695,368.06-1,042,883.51-189,931.40

Finding the Fourth Proportional to 695,368.06, 1,042,883.51 and 189,931.40

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Solution

The fourth proportional to 695,368.06, 1,042,883.51 and 189,931.40 is: 284,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,368.06 : 1,042,883.51 = 189,931.40 : x
  2. Step 2: Convert to fraction form
    695,368.06/1,042,883.51 = 189,931.40/x
  3. Step 3: Cross multiply
    695,368.06x = 1,042,883.51 × 189,931.40
  4. Step 4: Simplify right side
    695,368.06x = 198,076,322,837.95
  5. Step 5: Solve for x
    x = 198,076,322,837.95/695,368.06
  6. Step 6: Final answer
    x = 284,851.05

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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.