Home / 1,212,147.69-1,818,209.52-464,193.69

Finding the Fourth Proportional to 1,212,147.69, 1,818,209.52 and 464,193.69

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Solution

The fourth proportional to 1,212,147.69, 1,818,209.52 and 464,193.69 is: 696,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,147.69 : 1,818,209.52 = 464,193.69 : x
  2. Step 2: Convert to fraction form
    1,212,147.69/1,818,209.52 = 464,193.69/x
  3. Step 3: Cross multiply
    1,212,147.69x = 1,818,209.52 × 464,193.69
  4. Step 4: Simplify right side
    1,212,147.69x = 844,001,386,281.93
  5. Step 5: Solve for x
    x = 844,001,386,281.93/1,212,147.69
  6. Step 6: Final answer
    x = 696,285.93

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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.