Home / 1,556,643.43-2,335,035.08-477,076.89

Finding the Fourth Proportional to 1,556,643.43, 2,335,035.08 and 477,076.89

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Solution

The fourth proportional to 1,556,643.43, 2,335,035.08 and 477,076.89 is: 715,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,643.43 : 2,335,035.08 = 477,076.89 : x
  2. Step 2: Convert to fraction form
    1,556,643.43/2,335,035.08 = 477,076.89/x
  3. Step 3: Cross multiply
    1,556,643.43x = 2,335,035.08 × 477,076.89
  4. Step 4: Simplify right side
    1,556,643.43x = 1,113,991,281,272.82
  5. Step 5: Solve for x
    x = 1,113,991,281,272.82/1,556,643.43
  6. Step 6: Final answer
    x = 715,636.78

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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.