Home / 418,678.10-577,763.43-237,406.58

Finding the Fourth Proportional to 418,678.10, 577,763.43 and 237,406.58

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Solution

The fourth proportional to 418,678.10, 577,763.43 and 237,406.58 is: 327,614.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,678.10 : 577,763.43 = 237,406.58 : x
  2. Step 2: Convert to fraction form
    418,678.10/577,763.43 = 237,406.58/x
  3. Step 3: Cross multiply
    418,678.10x = 577,763.43 × 237,406.58
  4. Step 4: Simplify right side
    418,678.10x = 137,164,839,688.30
  5. Step 5: Solve for x
    x = 137,164,839,688.30/418,678.10
  6. Step 6: Final answer
    x = 327,614.08

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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.