Home / 649,583.40-973,856.70-275,298.60

Finding the Fourth Proportional to 649,583.40, 973,856.70 and 275,298.60

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Solution

The fourth proportional to 649,583.40, 973,856.70 and 275,298.60 is: 412,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,583.40 : 973,856.70 = 275,298.60 : x
  2. Step 2: Convert to fraction form
    649,583.40/973,856.70 = 275,298.60/x
  3. Step 3: Cross multiply
    649,583.40x = 973,856.70 × 275,298.60
  4. Step 4: Simplify right side
    649,583.40x = 268,101,386,110.62
  5. Step 5: Solve for x
    x = 268,101,386,110.62/649,583.40
  6. Step 6: Final answer
    x = 412,728.20

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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.