Home / 581,261.76-802,532.66-519,817.31

Finding the Fourth Proportional to 581,261.76, 802,532.66 and 519,817.31

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Solution

The fourth proportional to 581,261.76, 802,532.66 and 519,817.31 is: 717,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,261.76 : 802,532.66 = 519,817.31 : x
  2. Step 2: Convert to fraction form
    581,261.76/802,532.66 = 519,817.31/x
  3. Step 3: Cross multiply
    581,261.76x = 802,532.66 × 519,817.31
  4. Step 4: Simplify right side
    581,261.76x = 417,170,365,633.07
  5. Step 5: Solve for x
    x = 417,170,365,633.07/581,261.76
  6. Step 6: Final answer
    x = 717,697.94

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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.