Home / 636,837.16-878,835.27-350,351.10

Finding the Fourth Proportional to 636,837.16, 878,835.27 and 350,351.10

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Solution

The fourth proportional to 636,837.16, 878,835.27 and 350,351.10 is: 483,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,837.16 : 878,835.27 = 350,351.10 : x
  2. Step 2: Convert to fraction form
    636,837.16/878,835.27 = 350,351.10/x
  3. Step 3: Cross multiply
    636,837.16x = 878,835.27 × 350,351.10
  4. Step 4: Simplify right side
    636,837.16x = 307,900,903,563.30
  5. Step 5: Solve for x
    x = 307,900,903,563.30/636,837.16
  6. Step 6: Final answer
    x = 483,484.51

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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.