Home / 875,193.40-1,310,165.70-520,024.60

Finding the Fourth Proportional to 875,193.40, 1,310,165.70 and 520,024.60

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Solution

The fourth proportional to 875,193.40, 1,310,165.70 and 520,024.60 is: 778,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,193.40 : 1,310,165.70 = 520,024.60 : x
  2. Step 2: Convert to fraction form
    875,193.40/1,310,165.70 = 520,024.60/x
  3. Step 3: Cross multiply
    875,193.40x = 1,310,165.70 × 520,024.60
  4. Step 4: Simplify right side
    875,193.40x = 681,318,394,076.22
  5. Step 5: Solve for x
    x = 681,318,394,076.22/875,193.40
  6. Step 6: Final answer
    x = 778,477.53

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1.5x scale

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.