Home / 984,697.80-1,358,886.68-622,282.72

Finding the Fourth Proportional to 984,697.80, 1,358,886.68 and 622,282.72

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Solution

The fourth proportional to 984,697.80, 1,358,886.68 and 622,282.72 is: 858,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,697.80 : 1,358,886.68 = 622,282.72 : x
  2. Step 2: Convert to fraction form
    984,697.80/1,358,886.68 = 622,282.72/x
  3. Step 3: Cross multiply
    984,697.80x = 1,358,886.68 × 622,282.72
  4. Step 4: Simplify right side
    984,697.80x = 845,611,699,402.17
  5. Step 5: Solve for x
    x = 845,611,699,402.17/984,697.80
  6. Step 6: Final answer
    x = 858,752.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.