Home / 1,249,005.40-1,873,047.30-407,584.60

Finding the Fourth Proportional to 1,249,005.40, 1,873,047.30 and 407,584.60

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Solution

The fourth proportional to 1,249,005.40, 1,873,047.30 and 407,584.60 is: 611,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,005.40 : 1,873,047.30 = 407,584.60 : x
  2. Step 2: Convert to fraction form
    1,249,005.40/1,873,047.30 = 407,584.60/x
  3. Step 3: Cross multiply
    1,249,005.40x = 1,873,047.30 × 407,584.60
  4. Step 4: Simplify right side
    1,249,005.40x = 763,425,234,551.58
  5. Step 5: Solve for x
    x = 763,425,234,551.58/1,249,005.40
  6. Step 6: Final answer
    x = 611,226.53

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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.