Home / 1,585,935.13-2,188,592.88-860,783.11

Finding the Fourth Proportional to 1,585,935.13, 2,188,592.88 and 860,783.11

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Solution

The fourth proportional to 1,585,935.13, 2,188,592.88 and 860,783.11 is: 1,187,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,935.13 : 2,188,592.88 = 860,783.11 : x
  2. Step 2: Convert to fraction form
    1,585,935.13/2,188,592.88 = 860,783.11/x
  3. Step 3: Cross multiply
    1,585,935.13x = 2,188,592.88 × 860,783.11
  4. Step 4: Simplify right side
    1,585,935.13x = 1,883,903,778,146.82
  5. Step 5: Solve for x
    x = 1,883,903,778,146.82/1,585,935.13
  6. Step 6: Final answer
    x = 1,187,881.99

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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.