Home / 1,212,953.70-1,819,430.55-371,396.10

Finding the Fourth Proportional to 1,212,953.70, 1,819,430.55 and 371,396.10

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Solution

The fourth proportional to 1,212,953.70, 1,819,430.55 and 371,396.10 is: 557,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,953.70 : 1,819,430.55 = 371,396.10 : x
  2. Step 2: Convert to fraction form
    1,212,953.70/1,819,430.55 = 371,396.10/x
  3. Step 3: Cross multiply
    1,212,953.70x = 1,819,430.55 × 371,396.10
  4. Step 4: Simplify right side
    1,212,953.70x = 675,729,410,490.86
  5. Step 5: Solve for x
    x = 675,729,410,490.86/1,212,953.70
  6. Step 6: Final answer
    x = 557,094.15

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1.5x scale

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.