Home / 835,403.90-1,152,858.69-453,430.85

Finding the Fourth Proportional to 835,403.90, 1,152,858.69 and 453,430.85

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Solution

The fourth proportional to 835,403.90, 1,152,858.69 and 453,430.85 is: 625,735.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,403.90 : 1,152,858.69 = 453,430.85 : x
  2. Step 2: Convert to fraction form
    835,403.90/1,152,858.69 = 453,430.85/x
  3. Step 3: Cross multiply
    835,403.90x = 1,152,858.69 × 453,430.85
  4. Step 4: Simplify right side
    835,403.90x = 522,741,689,972.29
  5. Step 5: Solve for x
    x = 522,741,689,972.29/835,403.90
  6. Step 6: Final answer
    x = 625,735.28

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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.