Home / 1,212,644.10-1,818,966.15-1,153,595.10

Finding the Fourth Proportional to 1,212,644.10, 1,818,966.15 and 1,153,595.10

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Solution

The fourth proportional to 1,212,644.10, 1,818,966.15 and 1,153,595.10 is: 1,730,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,644.10 : 1,818,966.15 = 1,153,595.10 : x
  2. Step 2: Convert to fraction form
    1,212,644.10/1,818,966.15 = 1,153,595.10/x
  3. Step 3: Cross multiply
    1,212,644.10x = 1,818,966.15 × 1,153,595.10
  4. Step 4: Simplify right side
    1,212,644.10x = 2,098,350,437,705.87
  5. Step 5: Solve for x
    x = 2,098,350,437,705.87/1,212,644.10
  6. Step 6: Final answer
    x = 1,730,392.65

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.