Home / 526,919.20-790,378.80-337,962.40

Finding the Fourth Proportional to 526,919.20, 790,378.80 and 337,962.40

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Solution

The fourth proportional to 526,919.20, 790,378.80 and 337,962.40 is: 506,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,919.20 : 790,378.80 = 337,962.40 : x
  2. Step 2: Convert to fraction form
    526,919.20/790,378.80 = 337,962.40/x
  3. Step 3: Cross multiply
    526,919.20x = 790,378.80 × 337,962.40
  4. Step 4: Simplify right side
    526,919.20x = 267,118,316,157.12
  5. Step 5: Solve for x
    x = 267,118,316,157.12/526,919.20
  6. Step 6: Final answer
    x = 506,943.60

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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.