Home / 817,542.88-1,127,039.93-575,072.92

Finding the Fourth Proportional to 817,542.88, 1,127,039.93 and 575,072.92

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Solution

The fourth proportional to 817,542.88, 1,127,039.93 and 575,072.92 is: 792,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,542.88 : 1,127,039.93 = 575,072.92 : x
  2. Step 2: Convert to fraction form
    817,542.88/1,127,039.93 = 575,072.92/x
  3. Step 3: Cross multiply
    817,542.88x = 1,127,039.93 × 575,072.92
  4. Step 4: Simplify right side
    817,542.88x = 648,130,137,808.73
  5. Step 5: Solve for x
    x = 648,130,137,808.73/817,542.88
  6. Step 6: Final answer
    x = 792,778.16

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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.