Home / 1,212,059.83-1,818,117.42-359,115.47

Finding the Fourth Proportional to 1,212,059.83, 1,818,117.42 and 359,115.47

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Solution

The fourth proportional to 1,212,059.83, 1,818,117.42 and 359,115.47 is: 538,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,059.83 : 1,818,117.42 = 359,115.47 : x
  2. Step 2: Convert to fraction form
    1,212,059.83/1,818,117.42 = 359,115.47/x
  3. Step 3: Cross multiply
    1,212,059.83x = 1,818,117.42 × 359,115.47
  4. Step 4: Simplify right side
    1,212,059.83x = 652,914,082,707.90
  5. Step 5: Solve for x
    x = 652,914,082,707.90/1,212,059.83
  6. Step 6: Final answer
    x = 538,681.40

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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.