Home / 353,032.80-529,549.20-314,325.60

Finding the Fourth Proportional to 353,032.80, 529,549.20 and 314,325.60

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Solution

The fourth proportional to 353,032.80, 529,549.20 and 314,325.60 is: 471,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,032.80 : 529,549.20 = 314,325.60 : x
  2. Step 2: Convert to fraction form
    353,032.80/529,549.20 = 314,325.60/x
  3. Step 3: Cross multiply
    353,032.80x = 529,549.20 × 314,325.60
  4. Step 4: Simplify right side
    353,032.80x = 166,450,870,019.52
  5. Step 5: Solve for x
    x = 166,450,870,019.52/353,032.80
  6. Step 6: Final answer
    x = 471,488.40

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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.