Home / 1,091,909.80-1,637,087.10-417,730.60

Finding the Fourth Proportional to 1,091,909.80, 1,637,087.10 and 417,730.60

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Solution

The fourth proportional to 1,091,909.80, 1,637,087.10 and 417,730.60 is: 626,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,909.80 : 1,637,087.10 = 417,730.60 : x
  2. Step 2: Convert to fraction form
    1,091,909.80/1,637,087.10 = 417,730.60/x
  3. Step 3: Cross multiply
    1,091,909.80x = 1,637,087.10 × 417,730.60
  4. Step 4: Simplify right side
    1,091,909.80x = 683,861,376,535.26
  5. Step 5: Solve for x
    x = 683,861,376,535.26/1,091,909.80
  6. Step 6: Final answer
    x = 626,298.41

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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.