Home / 398,723.04-597,631.96-350,598.50

Finding the Fourth Proportional to 398,723.04, 597,631.96 and 350,598.50

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Solution

The fourth proportional to 398,723.04, 597,631.96 and 350,598.50 is: 525,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,723.04 : 597,631.96 = 350,598.50 : x
  2. Step 2: Convert to fraction form
    398,723.04/597,631.96 = 350,598.50/x
  3. Step 3: Cross multiply
    398,723.04x = 597,631.96 × 350,598.50
  4. Step 4: Simplify right side
    398,723.04x = 209,528,868,728.06
  5. Step 5: Solve for x
    x = 209,528,868,728.06/398,723.04
  6. Step 6: Final answer
    x = 525,499.78

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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.