Home / 1,142,168.56-1,712,047.22-383,290.50

Finding the Fourth Proportional to 1,142,168.56, 1,712,047.22 and 383,290.50

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Solution

The fourth proportional to 1,142,168.56, 1,712,047.22 and 383,290.50 is: 574,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,168.56 : 1,712,047.22 = 383,290.50 : x
  2. Step 2: Convert to fraction form
    1,142,168.56/1,712,047.22 = 383,290.50/x
  3. Step 3: Cross multiply
    1,142,168.56x = 1,712,047.22 × 383,290.50
  4. Step 4: Simplify right side
    1,142,168.56x = 656,211,434,977.41
  5. Step 5: Solve for x
    x = 656,211,434,977.41/1,142,168.56
  6. Step 6: Final answer
    x = 574,531.17

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1.5x scale

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.