Home / 835,385.98-1,152,833.79-453,412.81

Finding the Fourth Proportional to 835,385.98, 1,152,833.79 and 453,412.81

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Solution

The fourth proportional to 835,385.98, 1,152,833.79 and 453,412.81 is: 625,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,385.98 : 1,152,833.79 = 453,412.81 : x
  2. Step 2: Convert to fraction form
    835,385.98/1,152,833.79 = 453,412.81/x
  3. Step 3: Cross multiply
    835,385.98x = 1,152,833.79 × 453,412.81
  4. Step 4: Simplify right side
    835,385.98x = 522,709,608,186.85
  5. Step 5: Solve for x
    x = 522,709,608,186.85/835,385.98
  6. Step 6: Final answer
    x = 625,710.30

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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.