Home / 1,668,145.68-2,502,218.80-405,973.32

Finding the Fourth Proportional to 1,668,145.68, 2,502,218.80 and 405,973.32

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Solution

The fourth proportional to 1,668,145.68, 2,502,218.80 and 405,973.32 is: 608,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,145.68 : 2,502,218.80 = 405,973.32 : x
  2. Step 2: Convert to fraction form
    1,668,145.68/2,502,218.80 = 405,973.32/x
  3. Step 3: Cross multiply
    1,668,145.68x = 2,502,218.80 × 405,973.32
  4. Step 4: Simplify right side
    1,668,145.68x = 1,015,834,073,602.42
  5. Step 5: Solve for x
    x = 1,015,834,073,602.42/1,668,145.68
  6. Step 6: Final answer
    x = 608,960.05

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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.