Home / 955,580.56-1,318,701.40-525,860.70

Finding the Fourth Proportional to 955,580.56, 1,318,701.40 and 525,860.70

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Solution

The fourth proportional to 955,580.56, 1,318,701.40 and 525,860.70 is: 725,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,580.56 : 1,318,701.40 = 525,860.70 : x
  2. Step 2: Convert to fraction form
    955,580.56/1,318,701.40 = 525,860.70/x
  3. Step 3: Cross multiply
    955,580.56x = 1,318,701.40 × 525,860.70
  4. Step 4: Simplify right side
    955,580.56x = 693,453,241,294.98
  5. Step 5: Solve for x
    x = 693,453,241,294.98/955,580.56
  6. Step 6: Final answer
    x = 725,687.89

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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.