Home / 400,734.08-553,012.16-230,967.04

Finding the Fourth Proportional to 400,734.08, 553,012.16 and 230,967.04

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Solution

The fourth proportional to 400,734.08, 553,012.16 and 230,967.04 is: 318,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,734.08 : 553,012.16 = 230,967.04 : x
  2. Step 2: Convert to fraction form
    400,734.08/553,012.16 = 230,967.04/x
  3. Step 3: Cross multiply
    400,734.08x = 553,012.16 × 230,967.04
  4. Step 4: Simplify right side
    400,734.08x = 127,727,581,679.21
  5. Step 5: Solve for x
    x = 127,727,581,679.21/400,734.08
  6. Step 6: Final answer
    x = 318,734.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.