Home / 1,585,864.94-2,188,495.78-860,712.67

Finding the Fourth Proportional to 1,585,864.94, 2,188,495.78 and 860,712.67

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Solution

The fourth proportional to 1,585,864.94, 2,188,495.78 and 860,712.67 is: 1,187,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,864.94 : 2,188,495.78 = 860,712.67 : x
  2. Step 2: Convert to fraction form
    1,585,864.94/2,188,495.78 = 860,712.67/x
  3. Step 3: Cross multiply
    1,585,864.94x = 2,188,495.78 × 860,712.67
  4. Step 4: Simplify right side
    1,585,864.94x = 1,883,666,038,464.51
  5. Step 5: Solve for x
    x = 1,883,666,038,464.51/1,585,864.94
  6. Step 6: Final answer
    x = 1,187,784.65

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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.