Home / 987,212.57-1,362,444.65-599,938.61

Finding the Fourth Proportional to 987,212.57, 1,362,444.65 and 599,938.61

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Solution

The fourth proportional to 987,212.57, 1,362,444.65 and 599,938.61 is: 827,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,212.57 : 1,362,444.65 = 599,938.61 : x
  2. Step 2: Convert to fraction form
    987,212.57/1,362,444.65 = 599,938.61/x
  3. Step 3: Cross multiply
    987,212.57x = 1,362,444.65 × 599,938.61
  4. Step 4: Simplify right side
    987,212.57x = 817,383,139,711.02
  5. Step 5: Solve for x
    x = 817,383,139,711.02/987,212.57
  6. Step 6: Final answer
    x = 827,970.76

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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.