Home / 1,077,329.30-1,486,438.90-684,719.06

Finding the Fourth Proportional to 1,077,329.30, 1,486,438.90 and 684,719.06

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Solution

The fourth proportional to 1,077,329.30, 1,486,438.90 and 684,719.06 is: 944,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,329.30 : 1,486,438.90 = 684,719.06 : x
  2. Step 2: Convert to fraction form
    1,077,329.30/1,486,438.90 = 684,719.06/x
  3. Step 3: Cross multiply
    1,077,329.30x = 1,486,438.90 × 684,719.06
  4. Step 4: Simplify right side
    1,077,329.30x = 1,017,793,035,499.64
  5. Step 5: Solve for x
    x = 1,017,793,035,499.64/1,077,329.30
  6. Step 6: Final answer
    x = 944,737.18

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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.