Home / 1,043,514.20-1,567,172.10-912,877.40

Finding the Fourth Proportional to 1,043,514.20, 1,567,172.10 and 912,877.40

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Solution

The fourth proportional to 1,043,514.20, 1,567,172.10 and 912,877.40 is: 1,370,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,514.20 : 1,567,172.10 = 912,877.40 : x
  2. Step 2: Convert to fraction form
    1,043,514.20/1,567,172.10 = 912,877.40/x
  3. Step 3: Cross multiply
    1,043,514.20x = 1,567,172.10 × 912,877.40
  4. Step 4: Simplify right side
    1,043,514.20x = 1,430,635,992,000.54
  5. Step 5: Solve for x
    x = 1,430,635,992,000.54/1,043,514.20
  6. Step 6: Final answer
    x = 1,370,978.94

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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.