Home / 1,196,968-1,651,815.84-660,424

Finding the Fourth Proportional to 1,196,968, 1,651,815.84 and 660,424

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Solution

The fourth proportional to 1,196,968, 1,651,815.84 and 660,424 is: 911,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,968 : 1,651,815.84 = 660,424 : x
  2. Step 2: Convert to fraction form
    1,196,968/1,651,815.84 = 660,424/x
  3. Step 3: Cross multiply
    1,196,968x = 1,651,815.84 × 660,424
  4. Step 4: Simplify right side
    1,196,968x = 1,090,898,824,316.16
  5. Step 5: Solve for x
    x = 1,090,898,824,316.16/1,196,968
  6. Step 6: Final answer
    x = 911,385.12

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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.