Home / 696,751.40-1,043,085.90-520,041.80

Finding the Fourth Proportional to 696,751.40, 1,043,085.90 and 520,041.80

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Solution

The fourth proportional to 696,751.40, 1,043,085.90 and 520,041.80 is: 778,539.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,751.40 : 1,043,085.90 = 520,041.80 : x
  2. Step 2: Convert to fraction form
    696,751.40/1,043,085.90 = 520,041.80/x
  3. Step 3: Cross multiply
    696,751.40x = 1,043,085.90 × 520,041.80
  4. Step 4: Simplify right side
    696,751.40x = 542,448,268,990.62
  5. Step 5: Solve for x
    x = 542,448,268,990.62/696,751.40
  6. Step 6: Final answer
    x = 778,539.19

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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.