Home / 998,143.46-1,377,465.58-610,951.16

Finding the Fourth Proportional to 998,143.46, 1,377,465.58 and 610,951.16

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Solution

The fourth proportional to 998,143.46, 1,377,465.58 and 610,951.16 is: 843,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,143.46 : 1,377,465.58 = 610,951.16 : x
  2. Step 2: Convert to fraction form
    998,143.46/1,377,465.58 = 610,951.16/x
  3. Step 3: Cross multiply
    998,143.46x = 1,377,465.58 × 610,951.16
  4. Step 4: Simplify right side
    998,143.46x = 841,564,193,961.07
  5. Step 5: Solve for x
    x = 841,564,193,961.07/998,143.46
  6. Step 6: Final answer
    x = 843,129.50

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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.