Home / 1,426,714.47-2,139,449.58-539,628.39

Finding the Fourth Proportional to 1,426,714.47, 2,139,449.58 and 539,628.39

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Solution

The fourth proportional to 1,426,714.47, 2,139,449.58 and 539,628.39 is: 809,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,714.47 : 2,139,449.58 = 539,628.39 : x
  2. Step 2: Convert to fraction form
    1,426,714.47/2,139,449.58 = 539,628.39/x
  3. Step 3: Cross multiply
    1,426,714.47x = 2,139,449.58 × 539,628.39
  4. Step 4: Simplify right side
    1,426,714.47x = 1,154,507,732,341.58
  5. Step 5: Solve for x
    x = 1,154,507,732,341.58/1,426,714.47
  6. Step 6: Final answer
    x = 809,207.28

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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.