Home / 456,345.12-684,518.82-186,473.24

Finding the Fourth Proportional to 456,345.12, 684,518.82 and 186,473.24

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Solution

The fourth proportional to 456,345.12, 684,518.82 and 186,473.24 is: 279,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,345.12 : 684,518.82 = 186,473.24 : x
  2. Step 2: Convert to fraction form
    456,345.12/684,518.82 = 186,473.24/x
  3. Step 3: Cross multiply
    456,345.12x = 684,518.82 × 186,473.24
  4. Step 4: Simplify right side
    456,345.12x = 127,644,442,206.38
  5. Step 5: Solve for x
    x = 127,644,442,206.38/456,345.12
  6. Step 6: Final answer
    x = 279,710.33

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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.