Home / 514,578.40-771,897.92-199,036.96

Finding the Fourth Proportional to 514,578.40, 771,897.92 and 199,036.96

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Solution

The fourth proportional to 514,578.40, 771,897.92 and 199,036.96 is: 298,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,578.40 : 771,897.92 = 199,036.96 : x
  2. Step 2: Convert to fraction form
    514,578.40/771,897.92 = 199,036.96/x
  3. Step 3: Cross multiply
    514,578.40x = 771,897.92 × 199,036.96
  4. Step 4: Simplify right side
    514,578.40x = 153,636,215,427.12
  5. Step 5: Solve for x
    x = 153,636,215,427.12/514,578.40
  6. Step 6: Final answer
    x = 298,567.17

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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.