Home / 1,215,168-1,676,914.56-706,156.80

Finding the Fourth Proportional to 1,215,168, 1,676,914.56 and 706,156.80

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Solution

The fourth proportional to 1,215,168, 1,676,914.56 and 706,156.80 is: 974,486.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,168 : 1,676,914.56 = 706,156.80 : x
  2. Step 2: Convert to fraction form
    1,215,168/1,676,914.56 = 706,156.80/x
  3. Step 3: Cross multiply
    1,215,168x = 1,676,914.56 × 706,156.80
  4. Step 4: Simplify right side
    1,215,168x = 1,184,164,619,563.01
  5. Step 5: Solve for x
    x = 1,184,164,619,563.01/1,215,168
  6. Step 6: Final answer
    x = 974,486.34

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1.5x scale

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.