Home / 1,613,920.20-2,421,199.26-476,702.16

Finding the Fourth Proportional to 1,613,920.20, 2,421,199.26 and 476,702.16

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Solution

The fourth proportional to 1,613,920.20, 2,421,199.26 and 476,702.16 is: 715,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,920.20 : 2,421,199.26 = 476,702.16 : x
  2. Step 2: Convert to fraction form
    1,613,920.20/2,421,199.26 = 476,702.16/x
  3. Step 3: Cross multiply
    1,613,920.20x = 2,421,199.26 × 476,702.16
  4. Step 4: Simplify right side
    1,613,920.20x = 1,154,190,917,032.40
  5. Step 5: Solve for x
    x = 1,154,190,917,032.40/1,613,920.20
  6. Step 6: Final answer
    x = 715,147.45

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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.