Home / 875,650.80-1,314,059.40-402,092.40

Finding the Fourth Proportional to 875,650.80, 1,314,059.40 and 402,092.40

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Solution

The fourth proportional to 875,650.80, 1,314,059.40 and 402,092.40 is: 603,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,650.80 : 1,314,059.40 = 402,092.40 : x
  2. Step 2: Convert to fraction form
    875,650.80/1,314,059.40 = 402,092.40/x
  3. Step 3: Cross multiply
    875,650.80x = 1,314,059.40 × 402,092.40
  4. Step 4: Simplify right side
    875,650.80x = 528,373,297,888.56
  5. Step 5: Solve for x
    x = 528,373,297,888.56/875,650.80
  6. Step 6: Final answer
    x = 603,406.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.