Home / 1,412,820.01-2,119,230.42-415,548.01

Finding the Fourth Proportional to 1,412,820.01, 2,119,230.42 and 415,548.01

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Solution

The fourth proportional to 1,412,820.01, 2,119,230.42 and 415,548.01 is: 623,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,820.01 : 2,119,230.42 = 415,548.01 : x
  2. Step 2: Convert to fraction form
    1,412,820.01/2,119,230.42 = 415,548.01/x
  3. Step 3: Cross multiply
    1,412,820.01x = 2,119,230.42 × 415,548.01
  4. Step 4: Simplify right side
    1,412,820.01x = 880,641,983,762.46
  5. Step 5: Solve for x
    x = 880,641,983,762.46/1,412,820.01
  6. Step 6: Final answer
    x = 623,322.13

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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.