Home / 760,380.48-1,049,157.12-454,410.96

Finding the Fourth Proportional to 760,380.48, 1,049,157.12 and 454,410.96

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Solution

The fourth proportional to 760,380.48, 1,049,157.12 and 454,410.96 is: 626,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,380.48 : 1,049,157.12 = 454,410.96 : x
  2. Step 2: Convert to fraction form
    760,380.48/1,049,157.12 = 454,410.96/x
  3. Step 3: Cross multiply
    760,380.48x = 1,049,157.12 × 454,410.96
  4. Step 4: Simplify right side
    760,380.48x = 476,748,494,090.04
  5. Step 5: Solve for x
    x = 476,748,494,090.04/760,380.48
  6. Step 6: Final answer
    x = 626,986.76

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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.