Home / 701,314.80-1,051,972.20-402,716.40

Finding the Fourth Proportional to 701,314.80, 1,051,972.20 and 402,716.40

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Solution

The fourth proportional to 701,314.80, 1,051,972.20 and 402,716.40 is: 604,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,314.80 : 1,051,972.20 = 402,716.40 : x
  2. Step 2: Convert to fraction form
    701,314.80/1,051,972.20 = 402,716.40/x
  3. Step 3: Cross multiply
    701,314.80x = 1,051,972.20 × 402,716.40
  4. Step 4: Simplify right side
    701,314.80x = 423,646,457,284.08
  5. Step 5: Solve for x
    x = 423,646,457,284.08/701,314.80
  6. Step 6: Final answer
    x = 604,074.60

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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.