Home / 816,023.84-1,126,090.36-453,438.32

Finding the Fourth Proportional to 816,023.84, 1,126,090.36 and 453,438.32

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Solution

The fourth proportional to 816,023.84, 1,126,090.36 and 453,438.32 is: 625,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,023.84 : 1,126,090.36 = 453,438.32 : x
  2. Step 2: Convert to fraction form
    816,023.84/1,126,090.36 = 453,438.32/x
  3. Step 3: Cross multiply
    816,023.84x = 1,126,090.36 × 453,438.32
  4. Step 4: Simplify right side
    816,023.84x = 510,612,521,006.60
  5. Step 5: Solve for x
    x = 510,612,521,006.60/816,023.84
  6. Step 6: Final answer
    x = 625,732.36

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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.