Home / 1,081,639.40-1,623,451.10-549,530.60

Finding the Fourth Proportional to 1,081,639.40, 1,623,451.10 and 549,530.60

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Solution

The fourth proportional to 1,081,639.40, 1,623,451.10 and 549,530.60 is: 824,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,639.40 : 1,623,451.10 = 549,530.60 : x
  2. Step 2: Convert to fraction form
    1,081,639.40/1,623,451.10 = 549,530.60/x
  3. Step 3: Cross multiply
    1,081,639.40x = 1,623,451.10 × 549,530.60
  4. Step 4: Simplify right side
    1,081,639.40x = 892,136,057,053.66
  5. Step 5: Solve for x
    x = 892,136,057,053.66/1,081,639.40
  6. Step 6: Final answer
    x = 824,799.89

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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.