Home / 1,196,959.50-1,651,804.11-660,415.50

Finding the Fourth Proportional to 1,196,959.50, 1,651,804.11 and 660,415.50

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Solution

The fourth proportional to 1,196,959.50, 1,651,804.11 and 660,415.50 is: 911,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,959.50 : 1,651,804.11 = 660,415.50 : x
  2. Step 2: Convert to fraction form
    1,196,959.50/1,651,804.11 = 660,415.50/x
  3. Step 3: Cross multiply
    1,196,959.50x = 1,651,804.11 × 660,415.50
  4. Step 4: Simplify right side
    1,196,959.50x = 1,090,877,037,207.71
  5. Step 5: Solve for x
    x = 1,090,877,037,207.71/1,196,959.50
  6. Step 6: Final answer
    x = 911,373.39

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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.