Home / 685,214.40-1,024,905.60-614,647.20

Finding the Fourth Proportional to 685,214.40, 1,024,905.60 and 614,647.20

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Solution

The fourth proportional to 685,214.40, 1,024,905.60 and 614,647.20 is: 919,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,214.40 : 1,024,905.60 = 614,647.20 : x
  2. Step 2: Convert to fraction form
    685,214.40/1,024,905.60 = 614,647.20/x
  3. Step 3: Cross multiply
    685,214.40x = 1,024,905.60 × 614,647.20
  4. Step 4: Simplify right side
    685,214.40x = 629,955,357,304.32
  5. Step 5: Solve for x
    x = 629,955,357,304.32/685,214.40
  6. Step 6: Final answer
    x = 919,355.11

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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.