Home / 1,364,985.12-2,047,871.16-418,495.44

Finding the Fourth Proportional to 1,364,985.12, 2,047,871.16 and 418,495.44

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Solution

The fourth proportional to 1,364,985.12, 2,047,871.16 and 418,495.44 is: 627,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,985.12 : 2,047,871.16 = 418,495.44 : x
  2. Step 2: Convert to fraction form
    1,364,985.12/2,047,871.16 = 418,495.44/x
  3. Step 3: Cross multiply
    1,364,985.12x = 2,047,871.16 × 418,495.44
  4. Step 4: Simplify right side
    1,364,985.12x = 857,024,742,167.51
  5. Step 5: Solve for x
    x = 857,024,742,167.51/1,364,985.12
  6. Step 6: Final answer
    x = 627,863.80

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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.