Home / 830,515.80-1,165,871.40-830,515.80

Finding the Fourth Proportional to 830,515.80, 1,165,871.40 and 830,515.80

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Solution

The fourth proportional to 830,515.80, 1,165,871.40 and 830,515.80 is: 1,165,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,515.80 : 1,165,871.40 = 830,515.80 : x
  2. Step 2: Convert to fraction form
    830,515.80/1,165,871.40 = 830,515.80/x
  3. Step 3: Cross multiply
    830,515.80x = 1,165,871.40 × 830,515.80
  4. Step 4: Simplify right side
    830,515.80x = 968,274,618,468.12
  5. Step 5: Solve for x
    x = 968,274,618,468.12/830,515.80
  6. Step 6: Final answer
    x = 1,165,871.40

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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.