Home / 1,335,431.88-2,003,239.80-536,714.28

Finding the Fourth Proportional to 1,335,431.88, 2,003,239.80 and 536,714.28

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Solution

The fourth proportional to 1,335,431.88, 2,003,239.80 and 536,714.28 is: 805,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,431.88 : 2,003,239.80 = 536,714.28 : x
  2. Step 2: Convert to fraction form
    1,335,431.88/2,003,239.80 = 536,714.28/x
  3. Step 3: Cross multiply
    1,335,431.88x = 2,003,239.80 × 536,714.28
  4. Step 4: Simplify right side
    1,335,431.88x = 1,075,167,406,924.34
  5. Step 5: Solve for x
    x = 1,075,167,406,924.34/1,335,431.88
  6. Step 6: Final answer
    x = 805,108.39

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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.