Home / 776,599.20-1,071,779.22-454,288.86

Finding the Fourth Proportional to 776,599.20, 1,071,779.22 and 454,288.86

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Solution

The fourth proportional to 776,599.20, 1,071,779.22 and 454,288.86 is: 626,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,599.20 : 1,071,779.22 = 454,288.86 : x
  2. Step 2: Convert to fraction form
    776,599.20/1,071,779.22 = 454,288.86/x
  3. Step 3: Cross multiply
    776,599.20x = 1,071,779.22 × 454,288.86
  4. Step 4: Simplify right side
    776,599.20x = 486,897,360,025.49
  5. Step 5: Solve for x
    x = 486,897,360,025.49/776,599.20
  6. Step 6: Final answer
    x = 626,960.93

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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.