Home / 836,965.10-1,154,998.14-455,001.50

Finding the Fourth Proportional to 836,965.10, 1,154,998.14 and 455,001.50

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Solution

The fourth proportional to 836,965.10, 1,154,998.14 and 455,001.50 is: 627,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,965.10 : 1,154,998.14 = 455,001.50 : x
  2. Step 2: Convert to fraction form
    836,965.10/1,154,998.14 = 455,001.50/x
  3. Step 3: Cross multiply
    836,965.10x = 1,154,998.14 × 455,001.50
  4. Step 4: Simplify right side
    836,965.10x = 525,525,886,197.21
  5. Step 5: Solve for x
    x = 525,525,886,197.21/836,965.10
  6. Step 6: Final answer
    x = 627,894.62

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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.