Home / 776,552.85-1,071,433.71-454,342.14

Finding the Fourth Proportional to 776,552.85, 1,071,433.71 and 454,342.14

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Solution

The fourth proportional to 776,552.85, 1,071,433.71 and 454,342.14 is: 626,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,552.85 : 1,071,433.71 = 454,342.14 : x
  2. Step 2: Convert to fraction form
    776,552.85/1,071,433.71 = 454,342.14/x
  3. Step 3: Cross multiply
    776,552.85x = 1,071,433.71 × 454,342.14
  4. Step 4: Simplify right side
    776,552.85x = 486,797,484,669.54
  5. Step 5: Solve for x
    x = 486,797,484,669.54/776,552.85
  6. Step 6: Final answer
    x = 626,869.74

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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.