Home / 563,303.38-776,931.22-408,027.75

Finding the Fourth Proportional to 563,303.38, 776,931.22 and 408,027.75

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Solution

The fourth proportional to 563,303.38, 776,931.22 and 408,027.75 is: 562,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,303.38 : 776,931.22 = 408,027.75 : x
  2. Step 2: Convert to fraction form
    563,303.38/776,931.22 = 408,027.75/x
  3. Step 3: Cross multiply
    563,303.38x = 776,931.22 × 408,027.75
  4. Step 4: Simplify right side
    563,303.38x = 317,009,491,676.56
  5. Step 5: Solve for x
    x = 317,009,491,676.56/563,303.38
  6. Step 6: Final answer
    x = 562,768.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.