Home / 1,528,226.40-2,292,339.60-406,408.80

Finding the Fourth Proportional to 1,528,226.40, 2,292,339.60 and 406,408.80

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Solution

The fourth proportional to 1,528,226.40, 2,292,339.60 and 406,408.80 is: 609,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,226.40 : 2,292,339.60 = 406,408.80 : x
  2. Step 2: Convert to fraction form
    1,528,226.40/2,292,339.60 = 406,408.80/x
  3. Step 3: Cross multiply
    1,528,226.40x = 2,292,339.60 × 406,408.80
  4. Step 4: Simplify right side
    1,528,226.40x = 931,626,986,028.48
  5. Step 5: Solve for x
    x = 931,626,986,028.48/1,528,226.40
  6. Step 6: Final answer
    x = 609,613.20

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Double scale
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Similar ratio
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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.