Home / 750,661.40-1,124,461.20-465,476.60

Finding the Fourth Proportional to 750,661.40, 1,124,461.20 and 465,476.60

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Solution

The fourth proportional to 750,661.40, 1,124,461.20 and 465,476.60 is: 697,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,661.40 : 1,124,461.20 = 465,476.60 : x
  2. Step 2: Convert to fraction form
    750,661.40/1,124,461.20 = 465,476.60/x
  3. Step 3: Cross multiply
    750,661.40x = 1,124,461.20 × 465,476.60
  4. Step 4: Simplify right side
    750,661.40x = 523,410,376,207.92
  5. Step 5: Solve for x
    x = 523,410,376,207.92/750,661.40
  6. Step 6: Final answer
    x = 697,265.61

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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.