Home / 704,629.60-1,057,030.80-231,186.40

Finding the Fourth Proportional to 704,629.60, 1,057,030.80 and 231,186.40

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Solution

The fourth proportional to 704,629.60, 1,057,030.80 and 231,186.40 is: 346,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,629.60 : 1,057,030.80 = 231,186.40 : x
  2. Step 2: Convert to fraction form
    704,629.60/1,057,030.80 = 231,186.40/x
  3. Step 3: Cross multiply
    704,629.60x = 1,057,030.80 × 231,186.40
  4. Step 4: Simplify right side
    704,629.60x = 244,371,145,341.12
  5. Step 5: Solve for x
    x = 244,371,145,341.12/704,629.60
  6. Step 6: Final answer
    x = 346,807.95

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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.