Home / 683,478.80-1,025,218.20-615,827.60

Finding the Fourth Proportional to 683,478.80, 1,025,218.20 and 615,827.60

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Solution

The fourth proportional to 683,478.80, 1,025,218.20 and 615,827.60 is: 923,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,478.80 : 1,025,218.20 = 615,827.60 : x
  2. Step 2: Convert to fraction form
    683,478.80/1,025,218.20 = 615,827.60/x
  3. Step 3: Cross multiply
    683,478.80x = 1,025,218.20 × 615,827.60
  4. Step 4: Simplify right side
    683,478.80x = 631,357,663,582.32
  5. Step 5: Solve for x
    x = 631,357,663,582.32/683,478.80
  6. Step 6: Final answer
    x = 923,741.40

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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.