Home / 1,112,087.02-1,667,803.52-472,385.67

Finding the Fourth Proportional to 1,112,087.02, 1,667,803.52 and 472,385.67

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Solution

The fourth proportional to 1,112,087.02, 1,667,803.52 and 472,385.67 is: 708,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,087.02 : 1,667,803.52 = 472,385.67 : x
  2. Step 2: Convert to fraction form
    1,112,087.02/1,667,803.52 = 472,385.67/x
  3. Step 3: Cross multiply
    1,112,087.02x = 1,667,803.52 × 472,385.67
  4. Step 4: Simplify right side
    1,112,087.02x = 787,846,478,463.57
  5. Step 5: Solve for x
    x = 787,846,478,463.57/1,112,087.02
  6. Step 6: Final answer
    x = 708,439.60

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Double scale
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Similar ratio
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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.