Home / 1,214,011.68-1,675,315.95-670,133.40

Finding the Fourth Proportional to 1,214,011.68, 1,675,315.95 and 670,133.40

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Solution

The fourth proportional to 1,214,011.68, 1,675,315.95 and 670,133.40 is: 924,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,011.68 : 1,675,315.95 = 670,133.40 : x
  2. Step 2: Convert to fraction form
    1,214,011.68/1,675,315.95 = 670,133.40/x
  3. Step 3: Cross multiply
    1,214,011.68x = 1,675,315.95 × 670,133.40
  4. Step 4: Simplify right side
    1,214,011.68x = 1,122,685,173,647.73
  5. Step 5: Solve for x
    x = 1,122,685,173,647.73/1,214,011.68
  6. Step 6: Final answer
    x = 924,772.96

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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.