Home / 1,117,907.80-1,542,740.50-608,638.12

Finding the Fourth Proportional to 1,117,907.80, 1,542,740.50 and 608,638.12

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Solution

The fourth proportional to 1,117,907.80, 1,542,740.50 and 608,638.12 is: 839,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,907.80 : 1,542,740.50 = 608,638.12 : x
  2. Step 2: Convert to fraction form
    1,117,907.80/1,542,740.50 = 608,638.12/x
  3. Step 3: Cross multiply
    1,117,907.80x = 1,542,740.50 × 608,638.12
  4. Step 4: Simplify right side
    1,117,907.80x = 938,970,677,567.86
  5. Step 5: Solve for x
    x = 938,970,677,567.86/1,117,907.80
  6. Step 6: Final answer
    x = 839,935.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.