Home / 934,329.60-1,403,049.60-513,907.20

Finding the Fourth Proportional to 934,329.60, 1,403,049.60 and 513,907.20

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Solution

The fourth proportional to 934,329.60, 1,403,049.60 and 513,907.20 is: 771,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,329.60 : 1,403,049.60 = 513,907.20 : x
  2. Step 2: Convert to fraction form
    934,329.60/1,403,049.60 = 513,907.20/x
  3. Step 3: Cross multiply
    934,329.60x = 1,403,049.60 × 513,907.20
  4. Step 4: Simplify right side
    934,329.60x = 721,037,291,397.12
  5. Step 5: Solve for x
    x = 721,037,291,397.12/934,329.60
  6. Step 6: Final answer
    x = 771,716.20

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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.