Home / 503,158.08-694,457.40-288,442.32

Finding the Fourth Proportional to 503,158.08, 694,457.40 and 288,442.32

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Solution

The fourth proportional to 503,158.08, 694,457.40 and 288,442.32 is: 398,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,158.08 : 694,457.40 = 288,442.32 : x
  2. Step 2: Convert to fraction form
    503,158.08/694,457.40 = 288,442.32/x
  3. Step 3: Cross multiply
    503,158.08x = 694,457.40 × 288,442.32
  4. Step 4: Simplify right side
    503,158.08x = 200,310,903,597.17
  5. Step 5: Solve for x
    x = 200,310,903,597.17/503,158.08
  6. Step 6: Final answer
    x = 398,107.30

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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.