Home / 1,105,888.68-1,657,845.18-431,813.16

Finding the Fourth Proportional to 1,105,888.68, 1,657,845.18 and 431,813.16

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Solution

The fourth proportional to 1,105,888.68, 1,657,845.18 and 431,813.16 is: 647,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,888.68 : 1,657,845.18 = 431,813.16 : x
  2. Step 2: Convert to fraction form
    1,105,888.68/1,657,845.18 = 431,813.16/x
  3. Step 3: Cross multiply
    1,105,888.68x = 1,657,845.18 × 431,813.16
  4. Step 4: Simplify right side
    1,105,888.68x = 715,879,365,966.57
  5. Step 5: Solve for x
    x = 715,879,365,966.57/1,105,888.68
  6. Step 6: Final answer
    x = 647,334.02

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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.