Home / 820,675.31-1,132,527.59-476,595.83

Finding the Fourth Proportional to 820,675.31, 1,132,527.59 and 476,595.83

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Solution

The fourth proportional to 820,675.31, 1,132,527.59 and 476,595.83 is: 657,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,675.31 : 1,132,527.59 = 476,595.83 : x
  2. Step 2: Convert to fraction form
    820,675.31/1,132,527.59 = 476,595.83/x
  3. Step 3: Cross multiply
    820,675.31x = 1,132,527.59 × 476,595.83
  4. Step 4: Simplify right side
    820,675.31x = 539,757,918,708.33
  5. Step 5: Solve for x
    x = 539,757,918,708.33/820,675.31
  6. Step 6: Final answer
    x = 657,699.72

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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.