Home / 747,720.40-1,120,025.40-623,304.40

Finding the Fourth Proportional to 747,720.40, 1,120,025.40 and 623,304.40

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Solution

The fourth proportional to 747,720.40, 1,120,025.40 and 623,304.40 is: 933,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,720.40 : 1,120,025.40 = 623,304.40 : x
  2. Step 2: Convert to fraction form
    747,720.40/1,120,025.40 = 623,304.40/x
  3. Step 3: Cross multiply
    747,720.40x = 1,120,025.40 × 623,304.40
  4. Step 4: Simplify right side
    747,720.40x = 698,116,759,931.76
  5. Step 5: Solve for x
    x = 698,116,759,931.76/747,720.40
  6. Step 6: Final answer
    x = 933,660.18

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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.