Home / 871,693.32-1,202,509.62-549,248.52

Finding the Fourth Proportional to 871,693.32, 1,202,509.62 and 549,248.52

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Solution

The fourth proportional to 871,693.32, 1,202,509.62 and 549,248.52 is: 757,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,693.32 : 1,202,509.62 = 549,248.52 : x
  2. Step 2: Convert to fraction form
    871,693.32/1,202,509.62 = 549,248.52/x
  3. Step 3: Cross multiply
    871,693.32x = 1,202,509.62 × 549,248.52
  4. Step 4: Simplify right side
    871,693.32x = 660,476,629,070.76
  5. Step 5: Solve for x
    x = 660,476,629,070.76/871,693.32
  6. Step 6: Final answer
    x = 757,693.81

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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.