Home / 757,487.48-1,045,332-417,955.76

Finding the Fourth Proportional to 757,487.48, 1,045,332 and 417,955.76

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Solution

The fourth proportional to 757,487.48, 1,045,332 and 417,955.76 is: 576,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,487.48 : 1,045,332 = 417,955.76 : x
  2. Step 2: Convert to fraction form
    757,487.48/1,045,332 = 417,955.76/x
  3. Step 3: Cross multiply
    757,487.48x = 1,045,332 × 417,955.76
  4. Step 4: Simplify right side
    757,487.48x = 436,902,530,512.32
  5. Step 5: Solve for x
    x = 436,902,530,512.32/757,487.48
  6. Step 6: Final answer
    x = 576,778.55

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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.