Home / 955,330.75-1,318,366.91-519,750.59

Finding the Fourth Proportional to 955,330.75, 1,318,366.91 and 519,750.59

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Solution

The fourth proportional to 955,330.75, 1,318,366.91 and 519,750.59 is: 717,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,330.75 : 1,318,366.91 = 519,750.59 : x
  2. Step 2: Convert to fraction form
    955,330.75/1,318,366.91 = 519,750.59/x
  3. Step 3: Cross multiply
    955,330.75x = 1,318,366.91 × 519,750.59
  4. Step 4: Simplify right side
    955,330.75x = 685,221,977,011.33
  5. Step 5: Solve for x
    x = 685,221,977,011.33/955,330.75
  6. Step 6: Final answer
    x = 717,261.51

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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.