Home / 835,178.86-1,152,549.93-453,205.72

Finding the Fourth Proportional to 835,178.86, 1,152,549.93 and 453,205.72

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Solution

The fourth proportional to 835,178.86, 1,152,549.93 and 453,205.72 is: 625,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,178.86 : 1,152,549.93 = 453,205.72 : x
  2. Step 2: Convert to fraction form
    835,178.86/1,152,549.93 = 453,205.72/x
  3. Step 3: Cross multiply
    835,178.86x = 1,152,549.93 × 453,205.72
  4. Step 4: Simplify right side
    835,178.86x = 522,342,220,861.60
  5. Step 5: Solve for x
    x = 522,342,220,861.60/835,178.86
  6. Step 6: Final answer
    x = 625,425.58

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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.