Home / 1,551,120.35-2,326,732.37-429,095.39

Finding the Fourth Proportional to 1,551,120.35, 2,326,732.37 and 429,095.39

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Solution

The fourth proportional to 1,551,120.35, 2,326,732.37 and 429,095.39 is: 643,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,120.35 : 2,326,732.37 = 429,095.39 : x
  2. Step 2: Convert to fraction form
    1,551,120.35/2,326,732.37 = 429,095.39/x
  3. Step 3: Cross multiply
    1,551,120.35x = 2,326,732.37 × 429,095.39
  4. Step 4: Simplify right side
    1,551,120.35x = 998,390,133,730.77
  5. Step 5: Solve for x
    x = 998,390,133,730.77/1,551,120.35
  6. Step 6: Final answer
    x = 643,657.43

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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.