Home / 749,750.46-1,034,629.90-427,564.25

Finding the Fourth Proportional to 749,750.46, 1,034,629.90 and 427,564.25

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Solution

The fourth proportional to 749,750.46, 1,034,629.90 and 427,564.25 is: 590,023.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,750.46 : 1,034,629.90 = 427,564.25 : x
  2. Step 2: Convert to fraction form
    749,750.46/1,034,629.90 = 427,564.25/x
  3. Step 3: Cross multiply
    749,750.46x = 1,034,629.90 × 427,564.25
  4. Step 4: Simplify right side
    749,750.46x = 442,370,759,807.65
  5. Step 5: Solve for x
    x = 442,370,759,807.65/749,750.46
  6. Step 6: Final answer
    x = 590,023.99

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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.