Home / 403,216.80-556,403.04-233,462.40

Finding the Fourth Proportional to 403,216.80, 556,403.04 and 233,462.40

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Solution

The fourth proportional to 403,216.80, 556,403.04 and 233,462.40 is: 322,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,216.80 : 556,403.04 = 233,462.40 : x
  2. Step 2: Convert to fraction form
    403,216.80/556,403.04 = 233,462.40/x
  3. Step 3: Cross multiply
    403,216.80x = 556,403.04 × 233,462.40
  4. Step 4: Simplify right side
    403,216.80x = 129,899,189,085.70
  5. Step 5: Solve for x
    x = 129,899,189,085.70/403,216.80
  6. Step 6: Final answer
    x = 322,157.18

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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.