Home / 835,621.40-1,153,151.34-453,638.36

Finding the Fourth Proportional to 835,621.40, 1,153,151.34 and 453,638.36

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Solution

The fourth proportional to 835,621.40, 1,153,151.34 and 453,638.36 is: 626,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,621.40 : 1,153,151.34 = 453,638.36 : x
  2. Step 2: Convert to fraction form
    835,621.40/1,153,151.34 = 453,638.36/x
  3. Step 3: Cross multiply
    835,621.40x = 1,153,151.34 × 453,638.36
  4. Step 4: Simplify right side
    835,621.40x = 523,113,682,709.40
  5. Step 5: Solve for x
    x = 523,113,682,709.40/835,621.40
  6. Step 6: Final answer
    x = 626,017.58

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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.