Home / 817,543.12-1,127,040.27-575,073.17

Finding the Fourth Proportional to 817,543.12, 1,127,040.27 and 575,073.17

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Solution

The fourth proportional to 817,543.12, 1,127,040.27 and 575,073.17 is: 792,778.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,543.12 : 1,127,040.27 = 575,073.17 : x
  2. Step 2: Convert to fraction form
    817,543.12/1,127,040.27 = 575,073.17/x
  3. Step 3: Cross multiply
    817,543.12x = 1,127,040.27 × 575,073.17
  4. Step 4: Simplify right side
    817,543.12x = 648,130,620,786.56
  5. Step 5: Solve for x
    x = 648,130,620,786.56/817,543.12
  6. Step 6: Final answer
    x = 792,778.52

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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.