Home / 871,667.80-1,202,998.95-527,693.24

Finding the Fourth Proportional to 871,667.80, 1,202,998.95 and 527,693.24

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Solution

The fourth proportional to 871,667.80, 1,202,998.95 and 527,693.24 is: 728,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,667.80 : 1,202,998.95 = 527,693.24 : x
  2. Step 2: Convert to fraction form
    871,667.80/1,202,998.95 = 527,693.24/x
  3. Step 3: Cross multiply
    871,667.80x = 1,202,998.95 × 527,693.24
  4. Step 4: Simplify right side
    871,667.80x = 634,814,416,649.60
  5. Step 5: Solve for x
    x = 634,814,416,649.60/871,667.80
  6. Step 6: Final answer
    x = 728,275.63

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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.