Home / 803,347.60-1,108,619.59-459,190.89

Finding the Fourth Proportional to 803,347.60, 1,108,619.59 and 459,190.89

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Solution

The fourth proportional to 803,347.60, 1,108,619.59 and 459,190.89 is: 633,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,347.60 : 1,108,619.59 = 459,190.89 : x
  2. Step 2: Convert to fraction form
    803,347.60/1,108,619.59 = 459,190.89/x
  3. Step 3: Cross multiply
    803,347.60x = 1,108,619.59 × 459,190.89
  4. Step 4: Simplify right side
    803,347.60x = 509,068,016,203.54
  5. Step 5: Solve for x
    x = 509,068,016,203.54/803,347.60
  6. Step 6: Final answer
    x = 633,683.37

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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.