Home / 998,129.20-1,497,258.60-525,737.20

Finding the Fourth Proportional to 998,129.20, 1,497,258.60 and 525,737.20

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Solution

The fourth proportional to 998,129.20, 1,497,258.60 and 525,737.20 is: 788,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,129.20 : 1,497,258.60 = 525,737.20 : x
  2. Step 2: Convert to fraction form
    998,129.20/1,497,258.60 = 525,737.20/x
  3. Step 3: Cross multiply
    998,129.20x = 1,497,258.60 × 525,737.20
  4. Step 4: Simplify right side
    998,129.20x = 787,164,544,039.92
  5. Step 5: Solve for x
    x = 787,164,544,039.92/998,129.20
  6. Step 6: Final answer
    x = 788,639.93

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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.