Home / 763,652.94-1,053,779.40-441,383.91

Finding the Fourth Proportional to 763,652.94, 1,053,779.40 and 441,383.91

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Solution

The fourth proportional to 763,652.94, 1,053,779.40 and 441,383.91 is: 609,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,652.94 : 1,053,779.40 = 441,383.91 : x
  2. Step 2: Convert to fraction form
    763,652.94/1,053,779.40 = 441,383.91/x
  3. Step 3: Cross multiply
    763,652.94x = 1,053,779.40 × 441,383.91
  4. Step 4: Simplify right side
    763,652.94x = 465,121,271,849.45
  5. Step 5: Solve for x
    x = 465,121,271,849.45/763,652.94
  6. Step 6: Final answer
    x = 609,074.16

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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.