Home / 678,712.13-936,276.27-433,439.14

Finding the Fourth Proportional to 678,712.13, 936,276.27 and 433,439.14

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Solution

The fourth proportional to 678,712.13, 936,276.27 and 433,439.14 is: 597,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,712.13 : 936,276.27 = 433,439.14 : x
  2. Step 2: Convert to fraction form
    678,712.13/936,276.27 = 433,439.14/x
  3. Step 3: Cross multiply
    678,712.13x = 936,276.27 × 433,439.14
  4. Step 4: Simplify right side
    678,712.13x = 405,818,776,589.83
  5. Step 5: Solve for x
    x = 405,818,776,589.83/678,712.13
  6. Step 6: Final answer
    x = 597,924.74

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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.