Home / 1,124,340.76-1,685,013.54-413,711.32

Finding the Fourth Proportional to 1,124,340.76, 1,685,013.54 and 413,711.32

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Solution

The fourth proportional to 1,124,340.76, 1,685,013.54 and 413,711.32 is: 620,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,340.76 : 1,685,013.54 = 413,711.32 : x
  2. Step 2: Convert to fraction form
    1,124,340.76/1,685,013.54 = 413,711.32/x
  3. Step 3: Cross multiply
    1,124,340.76x = 1,685,013.54 × 413,711.32
  4. Step 4: Simplify right side
    1,124,340.76x = 697,109,175,851.27
  5. Step 5: Solve for x
    x = 697,109,175,851.27/1,124,340.76
  6. Step 6: Final answer
    x = 620,015.92

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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.