Home / 744,011.60-1,116,017.40-520,062.80

Finding the Fourth Proportional to 744,011.60, 1,116,017.40 and 520,062.80

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Solution

The fourth proportional to 744,011.60, 1,116,017.40 and 520,062.80 is: 780,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,011.60 : 1,116,017.40 = 520,062.80 : x
  2. Step 2: Convert to fraction form
    744,011.60/1,116,017.40 = 520,062.80/x
  3. Step 3: Cross multiply
    744,011.60x = 1,116,017.40 × 520,062.80
  4. Step 4: Simplify right side
    744,011.60x = 580,399,133,892.72
  5. Step 5: Solve for x
    x = 580,399,133,892.72/744,011.60
  6. Step 6: Final answer
    x = 780,094.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.