Home / 1,212,098.04-1,672,706.12-668,253.11

Finding the Fourth Proportional to 1,212,098.04, 1,672,706.12 and 668,253.11

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Solution

The fourth proportional to 1,212,098.04, 1,672,706.12 and 668,253.11 is: 922,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,098.04 : 1,672,706.12 = 668,253.11 : x
  2. Step 2: Convert to fraction form
    1,212,098.04/1,672,706.12 = 668,253.11/x
  3. Step 3: Cross multiply
    1,212,098.04x = 1,672,706.12 × 668,253.11
  4. Step 4: Simplify right side
    1,212,098.04x = 1,117,791,055,101.24
  5. Step 5: Solve for x
    x = 1,117,791,055,101.24/1,212,098.04
  6. Step 6: Final answer
    x = 922,195.25

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Double scale
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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.