Home / 749,433.60-1,124,150.40-662,828.40

Finding the Fourth Proportional to 749,433.60, 1,124,150.40 and 662,828.40

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Solution

The fourth proportional to 749,433.60, 1,124,150.40 and 662,828.40 is: 994,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,433.60 : 1,124,150.40 = 662,828.40 : x
  2. Step 2: Convert to fraction form
    749,433.60/1,124,150.40 = 662,828.40/x
  3. Step 3: Cross multiply
    749,433.60x = 1,124,150.40 × 662,828.40
  4. Step 4: Simplify right side
    749,433.60x = 745,118,810,991.36
  5. Step 5: Solve for x
    x = 745,118,810,991.36/749,433.60
  6. Step 6: Final answer
    x = 994,242.60

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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.