Home / 835,605.50-1,153,136.40-453,632.18

Finding the Fourth Proportional to 835,605.50, 1,153,136.40 and 453,632.18

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Solution

The fourth proportional to 835,605.50, 1,153,136.40 and 453,632.18 is: 626,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,605.50 : 1,153,136.40 = 453,632.18 : x
  2. Step 2: Convert to fraction form
    835,605.50/1,153,136.40 = 453,632.18/x
  3. Step 3: Cross multiply
    835,605.50x = 1,153,136.40 × 453,632.18
  4. Step 4: Simplify right side
    835,605.50x = 523,099,778,969.35
  5. Step 5: Solve for x
    x = 523,099,778,969.35/835,605.50
  6. Step 6: Final answer
    x = 626,012.85

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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.