Home / 1,299,176.14-1,791,973.48-847,079.50

Finding the Fourth Proportional to 1,299,176.14, 1,791,973.48 and 847,079.50

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Solution

The fourth proportional to 1,299,176.14, 1,791,973.48 and 847,079.50 is: 1,168,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,176.14 : 1,791,973.48 = 847,079.50 : x
  2. Step 2: Convert to fraction form
    1,299,176.14/1,791,973.48 = 847,079.50/x
  3. Step 3: Cross multiply
    1,299,176.14x = 1,791,973.48 × 847,079.50
  4. Step 4: Simplify right side
    1,299,176.14x = 1,517,943,999,451.66
  5. Step 5: Solve for x
    x = 1,517,943,999,451.66/1,299,176.14
  6. Step 6: Final answer
    x = 1,168,389.68

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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.