Home / 691,189.60-953,515.68-404,532.16

Finding the Fourth Proportional to 691,189.60, 953,515.68 and 404,532.16

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Solution

The fourth proportional to 691,189.60, 953,515.68 and 404,532.16 is: 558,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,189.60 : 953,515.68 = 404,532.16 : x
  2. Step 2: Convert to fraction form
    691,189.60/953,515.68 = 404,532.16/x
  3. Step 3: Cross multiply
    691,189.60x = 953,515.68 × 404,532.16
  4. Step 4: Simplify right side
    691,189.60x = 385,727,757,624.27
  5. Step 5: Solve for x
    x = 385,727,757,624.27/691,189.60
  6. Step 6: Final answer
    x = 558,063.60

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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.