Home / 835,182.81-1,152,555.39-453,209.61

Finding the Fourth Proportional to 835,182.81, 1,152,555.39 and 453,209.61

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Solution

The fourth proportional to 835,182.81, 1,152,555.39 and 453,209.61 is: 625,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,182.81 : 1,152,555.39 = 453,209.61 : x
  2. Step 2: Convert to fraction form
    835,182.81/1,152,555.39 = 453,209.61/x
  3. Step 3: Cross multiply
    835,182.81x = 1,152,555.39 × 453,209.61
  4. Step 4: Simplify right side
    835,182.81x = 522,349,178,805.30
  5. Step 5: Solve for x
    x = 522,349,178,805.30/835,182.81
  6. Step 6: Final answer
    x = 625,430.95

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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.