Home / 991,855.80-1,484,673.30-711,919.80

Finding the Fourth Proportional to 991,855.80, 1,484,673.30 and 711,919.80

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Solution

The fourth proportional to 991,855.80, 1,484,673.30 and 711,919.80 is: 1,065,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,855.80 : 1,484,673.30 = 711,919.80 : x
  2. Step 2: Convert to fraction form
    991,855.80/1,484,673.30 = 711,919.80/x
  3. Step 3: Cross multiply
    991,855.80x = 1,484,673.30 × 711,919.80
  4. Step 4: Simplify right side
    991,855.80x = 1,056,968,318,801.34
  5. Step 5: Solve for x
    x = 1,056,968,318,801.34/991,855.80
  6. Step 6: Final answer
    x = 1,065,647.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.