Home / 905,870.85-1,250,379.95-583,579.77

Finding the Fourth Proportional to 905,870.85, 1,250,379.95 and 583,579.77

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Solution

The fourth proportional to 905,870.85, 1,250,379.95 and 583,579.77 is: 805,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,870.85 : 1,250,379.95 = 583,579.77 : x
  2. Step 2: Convert to fraction form
    905,870.85/1,250,379.95 = 583,579.77/x
  3. Step 3: Cross multiply
    905,870.85x = 1,250,379.95 × 583,579.77
  4. Step 4: Simplify right side
    905,870.85x = 729,696,440,715.71
  5. Step 5: Solve for x
    x = 729,696,440,715.71/905,870.85
  6. Step 6: Final answer
    x = 805,519.29

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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.