Home / 860,340.47-1,187,283.56-473,172.84

Finding the Fourth Proportional to 860,340.47, 1,187,283.56 and 473,172.84

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Solution

The fourth proportional to 860,340.47, 1,187,283.56 and 473,172.84 is: 652,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,340.47 : 1,187,283.56 = 473,172.84 : x
  2. Step 2: Convert to fraction form
    860,340.47/1,187,283.56 = 473,172.84/x
  3. Step 3: Cross multiply
    860,340.47x = 1,187,283.56 × 473,172.84
  4. Step 4: Simplify right side
    860,340.47x = 561,790,331,604.65
  5. Step 5: Solve for x
    x = 561,790,331,604.65/860,340.47
  6. Step 6: Final answer
    x = 652,986.06

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Double scale
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1.5x scale

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.