Home / 672,933.11-928,622.01-371,127.11

Finding the Fourth Proportional to 672,933.11, 928,622.01 and 371,127.11

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Solution

The fourth proportional to 672,933.11, 928,622.01 and 371,127.11 is: 512,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,933.11 : 928,622.01 = 371,127.11 : x
  2. Step 2: Convert to fraction form
    672,933.11/928,622.01 = 371,127.11/x
  3. Step 3: Cross multiply
    672,933.11x = 928,622.01 × 371,127.11
  4. Step 4: Simplify right side
    672,933.11x = 344,636,798,210.58
  5. Step 5: Solve for x
    x = 344,636,798,210.58/672,933.11
  6. Step 6: Final answer
    x = 512,141.25

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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.