Home / 1,005,135.40-1,509,452.70-532,743.40

Finding the Fourth Proportional to 1,005,135.40, 1,509,452.70 and 532,743.40

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Solution

The fourth proportional to 1,005,135.40, 1,509,452.70 and 532,743.40 is: 800,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,135.40 : 1,509,452.70 = 532,743.40 : x
  2. Step 2: Convert to fraction form
    1,005,135.40/1,509,452.70 = 532,743.40/x
  3. Step 3: Cross multiply
    1,005,135.40x = 1,509,452.70 × 532,743.40
  4. Step 4: Simplify right side
    1,005,135.40x = 804,150,963,537.18
  5. Step 5: Solve for x
    x = 804,150,963,537.18/1,005,135.40
  6. Step 6: Final answer
    x = 800,042.43

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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.