Home / 750,630.40-1,124,414.70-465,445.60

Finding the Fourth Proportional to 750,630.40, 1,124,414.70 and 465,445.60

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Solution

The fourth proportional to 750,630.40, 1,124,414.70 and 465,445.60 is: 697,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,630.40 : 1,124,414.70 = 465,445.60 : x
  2. Step 2: Convert to fraction form
    750,630.40/1,124,414.70 = 465,445.60/x
  3. Step 3: Cross multiply
    750,630.40x = 1,124,414.70 × 465,445.60
  4. Step 4: Simplify right side
    750,630.40x = 523,353,874,690.32
  5. Step 5: Solve for x
    x = 523,353,874,690.32/750,630.40
  6. Step 6: Final answer
    x = 697,219.13

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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.