Home / 384,017.74-576,030.03-117,779.50

Finding the Fourth Proportional to 384,017.74, 576,030.03 and 117,779.50

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Solution

The fourth proportional to 384,017.74, 576,030.03 and 117,779.50 is: 176,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,017.74 : 576,030.03 = 117,779.50 : x
  2. Step 2: Convert to fraction form
    384,017.74/576,030.03 = 117,779.50/x
  3. Step 3: Cross multiply
    384,017.74x = 576,030.03 × 117,779.50
  4. Step 4: Simplify right side
    384,017.74x = 67,844,528,918.39
  5. Step 5: Solve for x
    x = 67,844,528,918.39/384,017.74
  6. Step 6: Final answer
    x = 176,670.30

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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.