Home / 692,747.80-1,039,421.06-372,525.39

Finding the Fourth Proportional to 692,747.80, 1,039,421.06 and 372,525.39

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Solution

The fourth proportional to 692,747.80, 1,039,421.06 and 372,525.39 is: 558,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,747.80 : 1,039,421.06 = 372,525.39 : x
  2. Step 2: Convert to fraction form
    692,747.80/1,039,421.06 = 372,525.39/x
  3. Step 3: Cross multiply
    692,747.80x = 1,039,421.06 × 372,525.39
  4. Step 4: Simplify right side
    692,747.80x = 387,210,733,888.09
  5. Step 5: Solve for x
    x = 387,210,733,888.09/692,747.80
  6. Step 6: Final answer
    x = 558,949.06

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1.5x scale

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.