Home / 696,744.40-1,043,075.40-520,034.80

Finding the Fourth Proportional to 696,744.40, 1,043,075.40 and 520,034.80

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Solution

The fourth proportional to 696,744.40, 1,043,075.40 and 520,034.80 is: 778,528.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,744.40 : 1,043,075.40 = 520,034.80 : x
  2. Step 2: Convert to fraction form
    696,744.40/1,043,075.40 = 520,034.80/x
  3. Step 3: Cross multiply
    696,744.40x = 1,043,075.40 × 520,034.80
  4. Step 4: Simplify right side
    696,744.40x = 542,435,507,023.92
  5. Step 5: Solve for x
    x = 542,435,507,023.92/696,744.40
  6. Step 6: Final answer
    x = 778,528.69

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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.