Home / 697,146.75-962,062.52-395,340.75

Finding the Fourth Proportional to 697,146.75, 962,062.52 and 395,340.75

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Solution

The fourth proportional to 697,146.75, 962,062.52 and 395,340.75 is: 545,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,146.75 : 962,062.52 = 395,340.75 : x
  2. Step 2: Convert to fraction form
    697,146.75/962,062.52 = 395,340.75/x
  3. Step 3: Cross multiply
    697,146.75x = 962,062.52 × 395,340.75
  4. Step 4: Simplify right side
    697,146.75x = 380,342,516,226.99
  5. Step 5: Solve for x
    x = 380,342,516,226.99/697,146.75
  6. Step 6: Final answer
    x = 545,570.24

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Half scale
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Double scale
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Similar ratio
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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.