Home / 736,562.55-1,105,113.69-310,205.70

Finding the Fourth Proportional to 736,562.55, 1,105,113.69 and 310,205.70

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Solution

The fourth proportional to 736,562.55, 1,105,113.69 and 310,205.70 is: 465,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,562.55 : 1,105,113.69 = 310,205.70 : x
  2. Step 2: Convert to fraction form
    736,562.55/1,105,113.69 = 310,205.70/x
  3. Step 3: Cross multiply
    736,562.55x = 1,105,113.69 × 310,205.70
  4. Step 4: Simplify right side
    736,562.55x = 342,812,565,786.03
  5. Step 5: Solve for x
    x = 342,812,565,786.03/736,562.55
  6. Step 6: Final answer
    x = 465,422.20

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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.