Home / 651,810.69-977,674.12-225,334.76

Finding the Fourth Proportional to 651,810.69, 977,674.12 and 225,334.76

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Solution

The fourth proportional to 651,810.69, 977,674.12 and 225,334.76 is: 337,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,810.69 : 977,674.12 = 225,334.76 : x
  2. Step 2: Convert to fraction form
    651,810.69/977,674.12 = 225,334.76/x
  3. Step 3: Cross multiply
    651,810.69x = 977,674.12 × 225,334.76
  4. Step 4: Simplify right side
    651,810.69x = 220,303,957,736.70
  5. Step 5: Solve for x
    x = 220,303,957,736.70/651,810.69
  6. Step 6: Final answer
    x = 337,987.64

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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.