Home / 1,292,796-1,939,404.12-382,070.88

Finding the Fourth Proportional to 1,292,796, 1,939,404.12 and 382,070.88

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Solution

The fourth proportional to 1,292,796, 1,939,404.12 and 382,070.88 is: 573,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,796 : 1,939,404.12 = 382,070.88 : x
  2. Step 2: Convert to fraction form
    1,292,796/1,939,404.12 = 382,070.88/x
  3. Step 3: Cross multiply
    1,292,796x = 1,939,404.12 × 382,070.88
  4. Step 4: Simplify right side
    1,292,796x = 740,989,838,804.03
  5. Step 5: Solve for x
    x = 740,989,838,804.03/1,292,796
  6. Step 6: Final answer
    x = 573,168.42

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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.