Home / 683,552.80-1,025,329.20-417,613.60

Finding the Fourth Proportional to 683,552.80, 1,025,329.20 and 417,613.60

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Solution

The fourth proportional to 683,552.80, 1,025,329.20 and 417,613.60 is: 626,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,552.80 : 1,025,329.20 = 417,613.60 : x
  2. Step 2: Convert to fraction form
    683,552.80/1,025,329.20 = 417,613.60/x
  3. Step 3: Cross multiply
    683,552.80x = 1,025,329.20 × 417,613.60
  4. Step 4: Simplify right side
    683,552.80x = 428,191,418,397.12
  5. Step 5: Solve for x
    x = 428,191,418,397.12/683,552.80
  6. Step 6: Final answer
    x = 626,420.40

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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.