Home / 685,525.31-947,010.32-547,523.05

Finding the Fourth Proportional to 685,525.31, 947,010.32 and 547,523.05

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Solution

The fourth proportional to 685,525.31, 947,010.32 and 547,523.05 is: 756,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,525.31 : 947,010.32 = 547,523.05 : x
  2. Step 2: Convert to fraction form
    685,525.31/947,010.32 = 547,523.05/x
  3. Step 3: Cross multiply
    685,525.31x = 947,010.32 × 547,523.05
  4. Step 4: Simplify right side
    685,525.31x = 518,509,977,789.16
  5. Step 5: Solve for x
    x = 518,509,977,789.16/685,525.31
  6. Step 6: Final answer
    x = 756,368.83

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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.