Home / 1,154,886.40-1,593,714-645,636.16

Finding the Fourth Proportional to 1,154,886.40, 1,593,714 and 645,636.16

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Solution

The fourth proportional to 1,154,886.40, 1,593,714 and 645,636.16 is: 890,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,886.40 : 1,593,714 = 645,636.16 : x
  2. Step 2: Convert to fraction form
    1,154,886.40/1,593,714 = 645,636.16/x
  3. Step 3: Cross multiply
    1,154,886.40x = 1,593,714 × 645,636.16
  4. Step 4: Simplify right side
    1,154,886.40x = 1,028,959,387,098.24
  5. Step 5: Solve for x
    x = 1,028,959,387,098.24/1,154,886.40
  6. Step 6: Final answer
    x = 890,961.56

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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.