Home / 714,180.24-985,535.60-391,882.32

Finding the Fourth Proportional to 714,180.24, 985,535.60 and 391,882.32

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Solution

The fourth proportional to 714,180.24, 985,535.60 and 391,882.32 is: 540,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,180.24 : 985,535.60 = 391,882.32 : x
  2. Step 2: Convert to fraction form
    714,180.24/985,535.60 = 391,882.32/x
  3. Step 3: Cross multiply
    714,180.24x = 985,535.60 × 391,882.32
  4. Step 4: Simplify right side
    714,180.24x = 386,213,977,370.59
  5. Step 5: Solve for x
    x = 386,213,977,370.59/714,180.24
  6. Step 6: Final answer
    x = 540,779.42

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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.