Home / 1,585,172.43-2,187,541.89-860,019.96

Finding the Fourth Proportional to 1,585,172.43, 2,187,541.89 and 860,019.96

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Solution

The fourth proportional to 1,585,172.43, 2,187,541.89 and 860,019.96 is: 1,186,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,172.43 : 2,187,541.89 = 860,019.96 : x
  2. Step 2: Convert to fraction form
    1,585,172.43/2,187,541.89 = 860,019.96/x
  3. Step 3: Cross multiply
    1,585,172.43x = 2,187,541.89 × 860,019.96
  4. Step 4: Simplify right side
    1,585,172.43x = 1,881,329,696,939.41
  5. Step 5: Solve for x
    x = 1,881,329,696,939.41/1,585,172.43
  6. Step 6: Final answer
    x = 1,186,829.69

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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.