Home / 474,387.10-711,580.08-154,538.45

Finding the Fourth Proportional to 474,387.10, 711,580.08 and 154,538.45

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Solution

The fourth proportional to 474,387.10, 711,580.08 and 154,538.45 is: 231,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,387.10 : 711,580.08 = 154,538.45 : x
  2. Step 2: Convert to fraction form
    474,387.10/711,580.08 = 154,538.45/x
  3. Step 3: Cross multiply
    474,387.10x = 711,580.08 × 154,538.45
  4. Step 4: Simplify right side
    474,387.10x = 109,966,482,614.08
  5. Step 5: Solve for x
    x = 109,966,482,614.08/474,387.10
  6. Step 6: Final answer
    x = 231,807.49

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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.