Home / 1,186,052.96-1,636,746.21-642,177.52

Finding the Fourth Proportional to 1,186,052.96, 1,636,746.21 and 642,177.52

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Solution

The fourth proportional to 1,186,052.96, 1,636,746.21 and 642,177.52 is: 886,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,052.96 : 1,636,746.21 = 642,177.52 : x
  2. Step 2: Convert to fraction form
    1,186,052.96/1,636,746.21 = 642,177.52/x
  3. Step 3: Cross multiply
    1,186,052.96x = 1,636,746.21 × 642,177.52
  4. Step 4: Simplify right side
    1,186,052.96x = 1,051,081,617,915.33
  5. Step 5: Solve for x
    x = 1,051,081,617,915.33/1,186,052.96
  6. Step 6: Final answer
    x = 886,201.25

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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.