Home / 859,336.89-1,185,842.40-496,726.22

Finding the Fourth Proportional to 859,336.89, 1,185,842.40 and 496,726.22

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Solution

The fourth proportional to 859,336.89, 1,185,842.40 and 496,726.22 is: 685,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,336.89 : 1,185,842.40 = 496,726.22 : x
  2. Step 2: Convert to fraction form
    859,336.89/1,185,842.40 = 496,726.22/x
  3. Step 3: Cross multiply
    859,336.89x = 1,185,842.40 × 496,726.22
  4. Step 4: Simplify right side
    859,336.89x = 589,039,006,938.52
  5. Step 5: Solve for x
    x = 589,039,006,938.52/859,336.89
  6. Step 6: Final answer
    x = 685,457.61

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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.