Home / 817,542.12-1,127,038.89-575,072.17

Finding the Fourth Proportional to 817,542.12, 1,127,038.89 and 575,072.17

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Solution

The fourth proportional to 817,542.12, 1,127,038.89 and 575,072.17 is: 792,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,542.12 : 1,127,038.89 = 575,072.17 : x
  2. Step 2: Convert to fraction form
    817,542.12/1,127,038.89 = 575,072.17/x
  3. Step 3: Cross multiply
    817,542.12x = 1,127,038.89 × 575,072.17
  4. Step 4: Simplify right side
    817,542.12x = 648,128,699,485.62
  5. Step 5: Solve for x
    x = 648,128,699,485.62/817,542.12
  6. Step 6: Final answer
    x = 792,777.13

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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.