Home / 818,966.65-1,130,175.05-456,382.55

Finding the Fourth Proportional to 818,966.65, 1,130,175.05 and 456,382.55

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Solution

The fourth proportional to 818,966.65, 1,130,175.05 and 456,382.55 is: 629,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,966.65 : 1,130,175.05 = 456,382.55 : x
  2. Step 2: Convert to fraction form
    818,966.65/1,130,175.05 = 456,382.55/x
  3. Step 3: Cross multiply
    818,966.65x = 1,130,175.05 × 456,382.55
  4. Step 4: Simplify right side
    818,966.65x = 515,792,165,614.50
  5. Step 5: Solve for x
    x = 515,792,165,614.50/818,966.65
  6. Step 6: Final answer
    x = 629,808.51

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1.5x scale

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.