Home / 835,415.53-1,152,842.56-453,434.11

Finding the Fourth Proportional to 835,415.53, 1,152,842.56 and 453,434.11

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Solution

The fourth proportional to 835,415.53, 1,152,842.56 and 453,434.11 is: 625,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,415.53 : 1,152,842.56 = 453,434.11 : x
  2. Step 2: Convert to fraction form
    835,415.53/1,152,842.56 = 453,434.11/x
  3. Step 3: Cross multiply
    835,415.53x = 1,152,842.56 × 453,434.11
  4. Step 4: Simplify right side
    835,415.53x = 522,738,136,148.03
  5. Step 5: Solve for x
    x = 522,738,136,148.03/835,415.53
  6. Step 6: Final answer
    x = 625,722.31

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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.