Home / 1,146,817.13-1,720,249.39-417,315.34

Finding the Fourth Proportional to 1,146,817.13, 1,720,249.39 and 417,315.34

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Solution

The fourth proportional to 1,146,817.13, 1,720,249.39 and 417,315.34 is: 625,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,817.13 : 1,720,249.39 = 417,315.34 : x
  2. Step 2: Convert to fraction form
    1,146,817.13/1,720,249.39 = 417,315.34/x
  3. Step 3: Cross multiply
    1,146,817.13x = 1,720,249.39 × 417,315.34
  4. Step 4: Simplify right side
    1,146,817.13x = 717,886,455,293.66
  5. Step 5: Solve for x
    x = 717,886,455,293.66/1,146,817.13
  6. Step 6: Final answer
    x = 625,981.63

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Double scale
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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.