Home / 1,692,261.68-2,335,308.40-928,310.16

Finding the Fourth Proportional to 1,692,261.68, 2,335,308.40 and 928,310.16

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Solution

The fourth proportional to 1,692,261.68, 2,335,308.40 and 928,310.16 is: 1,281,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,261.68 : 2,335,308.40 = 928,310.16 : x
  2. Step 2: Convert to fraction form
    1,692,261.68/2,335,308.40 = 928,310.16/x
  3. Step 3: Cross multiply
    1,692,261.68x = 2,335,308.40 × 928,310.16
  4. Step 4: Simplify right side
    1,692,261.68x = 2,167,890,514,453.34
  5. Step 5: Solve for x
    x = 2,167,890,514,453.34/1,692,261.68
  6. Step 6: Final answer
    x = 1,281,061.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.