Home / 818,880.16-1,130,037.60-456,302.56

Finding the Fourth Proportional to 818,880.16, 1,130,037.60 and 456,302.56

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Solution

The fourth proportional to 818,880.16, 1,130,037.60 and 456,302.56 is: 629,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,880.16 : 1,130,037.60 = 456,302.56 : x
  2. Step 2: Convert to fraction form
    818,880.16/1,130,037.60 = 456,302.56/x
  3. Step 3: Cross multiply
    818,880.16x = 1,130,037.60 × 456,302.56
  4. Step 4: Simplify right side
    818,880.16x = 515,639,049,776.26
  5. Step 5: Solve for x
    x = 515,639,049,776.26/818,880.16
  6. Step 6: Final answer
    x = 629,688.05

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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.