Home / 1,585,826.16-2,188,417.68-860,675.28

Finding the Fourth Proportional to 1,585,826.16, 2,188,417.68 and 860,675.28

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Solution

The fourth proportional to 1,585,826.16, 2,188,417.68 and 860,675.28 is: 1,187,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,826.16 : 2,188,417.68 = 860,675.28 : x
  2. Step 2: Convert to fraction form
    1,585,826.16/2,188,417.68 = 860,675.28/x
  3. Step 3: Cross multiply
    1,585,826.16x = 2,188,417.68 × 860,675.28
  4. Step 4: Simplify right side
    1,585,826.16x = 1,883,516,999,490.95
  5. Step 5: Solve for x
    x = 1,883,516,999,490.95/1,585,826.16
  6. Step 6: Final answer
    x = 1,187,719.72

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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.