Home / 1,180,538.04-1,771,180.80-422,362.80

Finding the Fourth Proportional to 1,180,538.04, 1,771,180.80 and 422,362.80

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Solution

The fourth proportional to 1,180,538.04, 1,771,180.80 and 422,362.80 is: 633,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,538.04 : 1,771,180.80 = 422,362.80 : x
  2. Step 2: Convert to fraction form
    1,180,538.04/1,771,180.80 = 422,362.80/x
  3. Step 3: Cross multiply
    1,180,538.04x = 1,771,180.80 × 422,362.80
  4. Step 4: Simplify right side
    1,180,538.04x = 748,080,881,994.24
  5. Step 5: Solve for x
    x = 748,080,881,994.24/1,180,538.04
  6. Step 6: Final answer
    x = 633,677.91

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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.