Home / 1,439,060.32-2,158,560.84-479,585.59

Finding the Fourth Proportional to 1,439,060.32, 2,158,560.84 and 479,585.59

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Solution

The fourth proportional to 1,439,060.32, 2,158,560.84 and 479,585.59 is: 719,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,060.32 : 2,158,560.84 = 479,585.59 : x
  2. Step 2: Convert to fraction form
    1,439,060.32/2,158,560.84 = 479,585.59/x
  3. Step 3: Cross multiply
    1,439,060.32x = 2,158,560.84 × 479,585.59
  4. Step 4: Simplify right side
    1,439,060.32x = 1,035,214,668,605.89
  5. Step 5: Solve for x
    x = 1,035,214,668,605.89/1,439,060.32
  6. Step 6: Final answer
    x = 719,368.50

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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.