Home / 930,561.60-1,396,101.60-457,262.40

Finding the Fourth Proportional to 930,561.60, 1,396,101.60 and 457,262.40

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Solution

The fourth proportional to 930,561.60, 1,396,101.60 and 457,262.40 is: 686,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,561.60 : 1,396,101.60 = 457,262.40 : x
  2. Step 2: Convert to fraction form
    930,561.60/1,396,101.60 = 457,262.40/x
  3. Step 3: Cross multiply
    930,561.60x = 1,396,101.60 × 457,262.40
  4. Step 4: Simplify right side
    930,561.60x = 638,384,768,259.84
  5. Step 5: Solve for x
    x = 638,384,768,259.84/930,561.60
  6. Step 6: Final answer
    x = 686,020.97

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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.