Home / 864,593.40-1,295,237.70-465,101.40

Finding the Fourth Proportional to 864,593.40, 1,295,237.70 and 465,101.40

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Solution

The fourth proportional to 864,593.40, 1,295,237.70 and 465,101.40 is: 696,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,593.40 : 1,295,237.70 = 465,101.40 : x
  2. Step 2: Convert to fraction form
    864,593.40/1,295,237.70 = 465,101.40/x
  3. Step 3: Cross multiply
    864,593.40x = 1,295,237.70 × 465,101.40
  4. Step 4: Simplify right side
    864,593.40x = 602,416,867,602.78
  5. Step 5: Solve for x
    x = 602,416,867,602.78/864,593.40
  6. Step 6: Final answer
    x = 696,763.20

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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.