Home / 859,277.28-1,185,611.76-519,738.24

Finding the Fourth Proportional to 859,277.28, 1,185,611.76 and 519,738.24

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Solution

The fourth proportional to 859,277.28, 1,185,611.76 and 519,738.24 is: 717,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,277.28 : 1,185,611.76 = 519,738.24 : x
  2. Step 2: Convert to fraction form
    859,277.28/1,185,611.76 = 519,738.24/x
  3. Step 3: Cross multiply
    859,277.28x = 1,185,611.76 × 519,738.24
  4. Step 4: Simplify right side
    859,277.28x = 616,207,769,465.70
  5. Step 5: Solve for x
    x = 616,207,769,465.70/859,277.28
  6. Step 6: Final answer
    x = 717,123.31

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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.