Home / 830,555.20-1,163,564.60-830,555.20

Finding the Fourth Proportional to 830,555.20, 1,163,564.60 and 830,555.20

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Solution

The fourth proportional to 830,555.20, 1,163,564.60 and 830,555.20 is: 1,163,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,555.20 : 1,163,564.60 = 830,555.20 : x
  2. Step 2: Convert to fraction form
    830,555.20/1,163,564.60 = 830,555.20/x
  3. Step 3: Cross multiply
    830,555.20x = 1,163,564.60 × 830,555.20
  4. Step 4: Simplify right side
    830,555.20x = 966,404,629,065.92
  5. Step 5: Solve for x
    x = 966,404,629,065.92/830,555.20
  6. Step 6: Final answer
    x = 1,163,564.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.