Home / 696,639.48-1,042,950.42-624,607.80

Finding the Fourth Proportional to 696,639.48, 1,042,950.42 and 624,607.80

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Solution

The fourth proportional to 696,639.48, 1,042,950.42 and 624,607.80 is: 935,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,639.48 : 1,042,950.42 = 624,607.80 : x
  2. Step 2: Convert to fraction form
    696,639.48/1,042,950.42 = 624,607.80/x
  3. Step 3: Cross multiply
    696,639.48x = 1,042,950.42 × 624,607.80
  4. Step 4: Simplify right side
    696,639.48x = 651,434,967,345.28
  5. Step 5: Solve for x
    x = 651,434,967,345.28/696,639.48
  6. Step 6: Final answer
    x = 935,110.61

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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.