Home / 566,669.12-782,020.59-312,029.42

Finding the Fourth Proportional to 566,669.12, 782,020.59 and 312,029.42

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Solution

The fourth proportional to 566,669.12, 782,020.59 and 312,029.42 is: 430,610.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,669.12 : 782,020.59 = 312,029.42 : x
  2. Step 2: Convert to fraction form
    566,669.12/782,020.59 = 312,029.42/x
  3. Step 3: Cross multiply
    566,669.12x = 782,020.59 × 312,029.42
  4. Step 4: Simplify right side
    566,669.12x = 244,013,431,125.76
  5. Step 5: Solve for x
    x = 244,013,431,125.76/566,669.12
  6. Step 6: Final answer
    x = 430,610.07

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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.