Home / 655,749.24-905,352.48-535,178.58

Finding the Fourth Proportional to 655,749.24, 905,352.48 and 535,178.58

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Solution

The fourth proportional to 655,749.24, 905,352.48 and 535,178.58 is: 738,888.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,749.24 : 905,352.48 = 535,178.58 : x
  2. Step 2: Convert to fraction form
    655,749.24/905,352.48 = 535,178.58/x
  3. Step 3: Cross multiply
    655,749.24x = 905,352.48 × 535,178.58
  4. Step 4: Simplify right side
    655,749.24x = 484,525,254,645.88
  5. Step 5: Solve for x
    x = 484,525,254,645.88/655,749.24
  6. Step 6: Final answer
    x = 738,888.02

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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.