Home / 1,185,905.13-1,779,190.26-476,431.39

Finding the Fourth Proportional to 1,185,905.13, 1,779,190.26 and 476,431.39

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Solution

The fourth proportional to 1,185,905.13, 1,779,190.26 and 476,431.39 is: 714,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,905.13 : 1,779,190.26 = 476,431.39 : x
  2. Step 2: Convert to fraction form
    1,185,905.13/1,779,190.26 = 476,431.39/x
  3. Step 3: Cross multiply
    1,185,905.13x = 1,779,190.26 × 476,431.39
  4. Step 4: Simplify right side
    1,185,905.13x = 847,662,088,646.26
  5. Step 5: Solve for x
    x = 847,662,088,646.26/1,185,905.13
  6. Step 6: Final answer
    x = 714,780.69

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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.