Home / 753,612.40-1,130,418.60-652,135.60

Finding the Fourth Proportional to 753,612.40, 1,130,418.60 and 652,135.60

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Solution

The fourth proportional to 753,612.40, 1,130,418.60 and 652,135.60 is: 978,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,612.40 : 1,130,418.60 = 652,135.60 : x
  2. Step 2: Convert to fraction form
    753,612.40/1,130,418.60 = 652,135.60/x
  3. Step 3: Cross multiply
    753,612.40x = 1,130,418.60 × 652,135.60
  4. Step 4: Simplify right side
    753,612.40x = 737,186,211,962.16
  5. Step 5: Solve for x
    x = 737,186,211,962.16/753,612.40
  6. Step 6: Final answer
    x = 978,203.40

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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.